{"title":"Quartz family","description":"\u003cp\u003eAmethyst, citrine, rutilated, lemon, lodolite, dendritic, smoky — the workhorse mineral family of the gem trade, hand-graded.\u003c\/p\u003e","products":[{"product_id":"rutilated-quartz-xa2","title":"Rutilated Quartz · Novo Horizonte, Bahia, Brazil, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of rutilated quartz from Novo Horizonte, Bahia, Brazil, calibrated to the 15–22 mm working range. Sold by the parcel, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Novo Horizonte, Bahia, Brazil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParcel:\u003c\/strong\u003e Minimum guaranteed 10 ct total weight. Each parcel typically contains 1–2 pieces within the listed size range. You pay for guaranteed weight; piece count varies because natural material isn't uniform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 15–22 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 340 ct available).\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCabochon settings, lapidary work, or studio display. Durable (Mohs 7).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"15 ct parcel","offer_id":55687099777097,"sku":"XA2-P","price":339.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~9 ct)","offer_id":55688028061769,"sku":"XA2-S","price":269.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA2-01-hero_e383bc73-d1da-4b73-ad82-b7a1718d71ac.jpg?v=1778843200"},{"product_id":"rutilated-quartz-xa5","title":"Rutilated Quartz · Novo Horizonte, Bahia, Brazil, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of rutilated quartz from Novo Horizonte, Bahia, Brazil, calibrated to the 14–21 mm working range. Sold by the parcel, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Novo Horizonte, Bahia, Brazil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParcel:\u003c\/strong\u003e Minimum guaranteed 10 ct total weight. Each parcel typically contains 1–2 pieces within the listed size range. You pay for guaranteed weight; piece count varies because natural material isn't uniform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 14–21 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 340 ct available).\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCabochon settings, lapidary work, or studio display. Durable (Mohs 7).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"15 ct parcel","offer_id":55687099908169,"sku":"XA5-P","price":339.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~9 ct)","offer_id":55688028225609,"sku":"XA5-S","price":269.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA5-01-hero_9d9c345e-ad70-4ea3-bf63-fe9f7fb687e2.jpg?v=1778843220"},{"product_id":"dendritic-quartz-xa15","title":"Dendritic Quartz · Minas Gerais, Brazil, 6-piece lot (~230 ct)","description":"\u003cp class=\"product-lede\"\u003eA hand-graded 6-piece lot of cabochons of dendritic quartz from Minas Gerais, Brazil, calibrated to the 21–34 mm working range. Sold as one curated lot, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Minas Gerais, Brazil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLot:\u003c\/strong\u003e Curated 6-piece selection sold as a single unit. Total weight approximately 230 ct, hand-photographed exactly as shipped — you receive the stones in the photograph, no substitution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 21–34 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 230 ct total (entire lot).\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCabochon settings, lapidary work, or studio display. Durable (Mohs 7).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"6-piece lot (230 ct)","offer_id":55687100268617,"sku":"XA15-L","price":405.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~38 ct)","offer_id":55688153989193,"sku":"XA15-S","price":135.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA15-01-hero_750e42e5-866d-492b-a1d0-30b2c10a1c67.jpg?v=1778843288"},{"product_id":"lemon-quartz-xa18","title":"Lemon Quartz · Minas Gerais, Brazil, 3-piece lot (~136 ct)","description":"\u003cp class=\"product-lede\"\u003eA hand-graded 3-piece lot of cabochons of lemon quartz from Minas Gerais, Brazil, calibrated to the 21 mm working range. Sold as one curated lot, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Minas Gerais, Brazil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLot:\u003c\/strong\u003e Curated 3-piece selection sold as a single unit. Total weight approximately 136 ct, hand-photographed exactly as shipped — you receive the stones in the photograph, no substitution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 21 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 136 ct total (entire lot).\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCabochon settings, lapidary work, or studio display. Durable (Mohs 7).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"3-piece lot (136 ct)","offer_id":55687100366921,"sku":"XA18-L","price":245.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~45 ct)","offer_id":55688154021961,"sku":"XA18-S","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA18-01-hero_27345e58-81ef-4e39-9673-37fb255cb789.jpg?v=1778843308"},{"product_id":"rutilated-quartz-xa25","title":"Rutilated Quartz · Novo Horizonte, Bahia, Brazil, ~16 ct piece","description":"\u003cp class=\"product-lede\"\u003eA hand-graded cabochon of rutilated quartz from Novo Horizonte, Bahia, Brazil, calibrated to the 12–34 mm working range. Sold as a single piece, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Novo Horizonte, Bahia, Brazil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e One specific cabochon, weighing approximately 16 ct, hand-graded from a parent lot of 483 ct. Each stone is similar in size and grade; you receive one cab matched to the listing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 12–34 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e ~16 ct per piece.\u003c\/p\u003e\n\u003cp class=\"product-variance\"\u003e\u003cstrong\u003eSize note:\u003c\/strong\u003e Stones in the parent lot range widely from 12 mm to 34 mm (2.8× spread). The specific piece you receive may be on either end of that range — request a photo before ordering if size is critical.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCabochon settings, lapidary work, or studio display. Durable (Mohs 7).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"Single piece (~16 ct)","offer_id":55687101022281,"sku":"XA25-S","price":339.0,"currency_code":"USD","in_stock":true},{"title":"3-piece set (~48 ct, 8% off)","offer_id":55688154153033,"sku":"XA25-3","price":1015.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA25-01-hero_72903596-96d9-4d87-a84d-949724f9eeea.jpg?v=1778843356"},{"product_id":"green-rutilated-quartz-xa27","title":"Green Rutilated Quartz · Novo Horizonte, Bahia, Brazil, 6-piece lot (~148 ct)","description":"\u003cp class=\"product-lede\"\u003eA hand-graded 6-piece lot of cabochons of green rutilated quartz from Novo Horizonte, Bahia, Brazil, calibrated to the 18–30 mm working range. Sold as one curated lot, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Novo Horizonte, Bahia, Brazil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLot:\u003c\/strong\u003e Curated 6-piece selection sold as a single unit. Total weight approximately 148 ct, hand-photographed exactly as shipped — you receive the stones in the photograph, no substitution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 18–30 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 148 ct total (entire lot).\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCabochon settings, lapidary work, or studio display. Durable (Mohs 7).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"6-piece lot (148 ct)","offer_id":55687101087817,"sku":"XA27-L","price":889.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~25 ct)","offer_id":55688154251337,"sku":"XA27-S","price":295.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA27-01-hero_4aa7e6fb-6b23-406d-8d34-a68c7aa961e4.jpg?v=1778843370"},{"product_id":"fanta-quartz-xa32","title":"Fanta Quartz · Jaipur, Rajasthan, India, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of fanta quartz from Jaipur, Rajasthan, India, calibrated to the 14–28 mm working range. Sold by the parcel, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Jaipur, Rajasthan, India.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParcel:\u003c\/strong\u003e Minimum guaranteed 10 ct total weight. Each parcel typically contains 1–2 pieces within the listed size range. You pay for guaranteed weight; piece count varies because natural material isn't uniform.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 14–28 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 137 ct available).\u003c\/p\u003e\n\u003cp class=\"product-variance\"\u003e\u003cstrong\u003eSize note:\u003c\/strong\u003e Wide size variance — stones range from 14 mm to 28 mm (2.0× spread). Expect a mix of sizes rather than uniform stones. Best for cutters, lapidary projects, or mixed-jewellery use; not ideal if you need matched pairs.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCabochon settings, lapidary work, or studio display. Durable (Mohs 7).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"15 ct parcel","offer_id":55687101579337,"sku":"XA32-P","price":159.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~9 ct)","offer_id":55688029732937,"sku":"XA32-S","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA32-01-hero_7497d4de-4a5c-4722-bff2-4374516d6797.jpg?v=1778843403"},{"product_id":"pyrite-quartz-xa40","title":"Pyrite Quartz · Minas Gerais, Brazil, 5-piece lot (~177 ct)","description":"\u003cp class=\"product-lede\"\u003eA hand-graded 5-piece lot of cabochons of pyrite quartz from Minas Gerais, Brazil, calibrated to the 22–31 mm working range. Sold as one curated lot, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Minas Gerais, Brazil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLot:\u003c\/strong\u003e Curated 5-piece selection sold as a single unit. Total weight approximately 177 ct, hand-photographed exactly as shipped — you receive the stones in the photograph, no substitution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 22–31 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 177 ct total (entire lot).\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCabochon settings, lapidary work, or studio display. Durable (Mohs 7).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"5-piece lot (177 ct)","offer_id":55687101841481,"sku":"XA40-L","price":225.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~35 ct)","offer_id":55688154644553,"sku":"XA40-S","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA40-01-hero_9111ef2d-f63c-4486-b311-f6b985a2f823.jpg?v=1778843459"},{"product_id":"lodolite-quartz-xa55","title":"Lodolite Quartz · Minas Gerais, Brazil, ~22 ct piece","description":"\u003cp class=\"product-lede\"\u003eA hand-graded cabochon of lodolite quartz from Minas Gerais, Brazil, calibrated to the 20–25 mm working range. Sold as a single piece, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Minas Gerais, Brazil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e One specific cabochon, weighing approximately 22 ct, hand-graded from a parent lot of 476 ct. Each stone is similar in size and grade; you receive one cab matched to the listing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 20–25 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e ~22 ct per piece.\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCabochon settings, lapidary work, or studio display. Durable (Mohs 7).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"Single piece (~22 ct)","offer_id":55687103184969,"sku":"XA55-S","price":159.0,"currency_code":"USD","in_stock":true},{"title":"3-piece set (~66 ct, 8% off)","offer_id":55688155332681,"sku":"XA55-3","price":485.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA55-01-hero_b332cf5d-f370-4f39-b7de-c9ac507cd530.jpg?v=1778843559"},{"product_id":"emerald-quartz-xa66","title":"Emerald Quartz · Sandawana, Zimbabwe, 6-piece lot (~253 ct)","description":"\u003cp class=\"product-lede\"\u003eA hand-graded 6-piece lot of cabochons of emerald quartz from Sandawana, Zimbabwe, calibrated to the 25–38 mm working range. Sold as one curated lot, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Sandawana, Zimbabwe.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLot:\u003c\/strong\u003e Curated 6-piece selection sold as a single unit. Total weight approximately 253 ct, hand-photographed exactly as shipped — you receive the stones in the photograph, no substitution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 25–38 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 253 ct total (entire lot).\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCabochon settings, lapidary work, or studio display. Durable (Mohs 7).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"6-piece lot (253 ct)","offer_id":55687103578185,"sku":"XA66-L","price":609.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~42 ct)","offer_id":55688156250185,"sku":"XA66-S","price":205.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA66-01-hero_11d26ba8-e39e-4de9-b449-398d05b21446.jpg?v=1778843635"},{"product_id":"lemon-quartz-xa67","title":"Lemon Quartz · Lusaka region, Zambia, ~26 ct piece","description":"\u003cp class=\"product-lede\"\u003eA hand-graded cabochon of lemon quartz from Lusaka region, Zambia, calibrated to the 15–23 mm working range. Sold as a single piece, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Lusaka region, Zambia.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e One specific cabochon, weighing approximately 26 ct, hand-graded from a parent lot of 523 ct. Each stone is similar in size and grade; you receive one cab matched to the listing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 15–23 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e ~26 ct per piece.\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCabochon settings, lapidary work, or studio display. Durable (Mohs 7).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"Single piece (~26 ct)","offer_id":55687103610953,"sku":"XA67-S","price":79.0,"currency_code":"USD","in_stock":true},{"title":"3-piece set (~78 ct, 8% off)","offer_id":55688156381257,"sku":"XA67-3","price":245.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA67-01-hero_61bd33b0-88d9-4615-9cfe-30d7d575cc01.jpg?v=1778843642"},{"product_id":"red-rutilated-quartz-xa70","title":"Red Rutilated Quartz · Novo Horizonte, Bahia, Brazil, ~26 ct piece","description":"\u003cp class=\"product-lede\"\u003eA hand-graded cabochon of red rutilated quartz from Novo Horizonte, Bahia, Brazil, calibrated to the 16–31 mm working range. Sold as a single piece, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Novo Horizonte, Bahia, Brazil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e One specific cabochon, weighing approximately 26 ct, hand-graded from a parent lot of 1666 ct. Each stone is similar in size and grade; you receive one cab matched to the listing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 16–31 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e ~26 ct per piece.\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCabochon settings, lapidary work, or studio display. Durable (Mohs 7).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"Single piece (~26 ct)","offer_id":55687103709257,"sku":"XA70-S","price":339.0,"currency_code":"USD","in_stock":true},{"title":"3-piece set (~78 ct, 8% off)","offer_id":55688156446793,"sku":"XA70-3","price":1015.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA70-01-hero_e3fc0bc8-40e9-48c8-b2fa-d76a3edb7b0d.jpg?v=1778843662"},{"product_id":"green-gold-star-quartz-xa81","title":"Green Gold Star Quartz · Singida, Tanzania, 4-piece lot (~542 ct)","description":"\u003cp class=\"product-lede\"\u003eA hand-graded 4-piece lot of cabochons of green gold star quartz from Singida, Tanzania, calibrated to the 26–43 mm working range. Sold as one curated lot, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Singida, Tanzania.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLot:\u003c\/strong\u003e Curated 4-piece selection sold as a single unit. Total weight approximately 542 ct, hand-photographed exactly as shipped — you receive the stones in the photograph, no substitution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 26–43 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 542 ct total (entire lot).\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eSetting in jewellery — ring bezels, pendant cabochons, statement earrings. Dome and polish are jewellery-ready.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"4-piece lot (542 ct)","offer_id":55687104430153,"sku":"XA81-L","price":729.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~136 ct)","offer_id":55688157003849,"sku":"XA81-S","price":245.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA81-01-hero_838e1580-bcc6-4645-b0bf-d623c8c0490c.jpg?v=1778843737"},{"product_id":"dendritic-quartz-xa87","title":"Dendritic Quartz · Minas Gerais, Brazil, ~17 ct piece","description":"\u003cp class=\"product-lede\"\u003eA hand-graded cabochon of dendritic quartz from Minas Gerais, Brazil, calibrated to the 16–25 mm working range. Sold as a single piece, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Minas Gerais, Brazil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e One specific cabochon, weighing approximately 17 ct, hand-graded from a parent lot of 1695 ct. Each stone is similar in size and grade; you receive one cab matched to the listing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 16–25 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e ~17 ct per piece.\u003c\/p\u003e\n\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCabochon settings, lapidary work, or studio display. Durable (Mohs 7).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"Single piece (~17 ct)","offer_id":55687104888905,"sku":"XA87-S","price":135.0,"currency_code":"USD","in_stock":true},{"title":"3-piece set (~51 ct, 8% off)","offer_id":55688157233225,"sku":"XA87-3","price":405.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA87-01-hero_db443541-ab9a-49ca-91f5-bd2dcde1416e.jpg?v=1778843778"},{"product_id":"green-rutilated-quartz-xa94","title":"Green Rutilated Quartz · Novo Horizonte, Bahia, Brazil, ~37 ct piece","description":"\u003cp class=\"product-lede\"\u003eA hand-graded cabochon of green rutilated quartz from Novo Horizonte, Bahia, Brazil, calibrated to the 17–34 mm working range. Sold as a single piece, weighed in carats, treatments disclosed.\u003c\/p\u003e\n\n\u003ch3\u003eAbout this lot\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrigin:\u003c\/strong\u003e Novo Horizonte, Bahia, Brazil.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e One specific cabochon, weighing approximately 37 ct, hand-graded from a parent lot of 987 ct. Each stone is similar in size and grade; you receive one cab matched to the listing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSize:\u003c\/strong\u003e 17–34 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e ~37 ct per piece.\u003c\/p\u003e\n\u003cp class=\"product-variance\"\u003e\u003cstrong\u003eSize note:\u003c\/strong\u003e Stones in the parent lot range widely from 17 mm to 34 mm (2.0× spread). The specific piece you receive may be on either end of that range — request a photo before ordering if size is critical.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTreatment:\u003c\/strong\u003e None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.\u003c\/p\u003e\n\n\u003ch3\u003eSuggested use\u003c\/h3\u003e\n\u003cp\u003eCabochon settings, lapidary work, or studio display. Durable (Mohs 7).\u003c\/p\u003e\n\n\u003ch3\u003eThe Stone Atlas standard\u003c\/h3\u003e\n\u003cp\u003eHand-graded in our US studio. Treatments disclosed on every listing, no exceptions. Shipped insured from the US since 1995. Returns within 14 days if the stone in hand doesn't match the listing.\u003c\/p\u003e","brand":"The Stone Atlas","offers":[{"title":"Single piece (~37 ct)","offer_id":55687105183817,"sku":"XA94-S","price":295.0,"currency_code":"USD","in_stock":true},{"title":"3-piece set (~111 ct, 8% off)","offer_id":55688157429833,"sku":"XA94-3","price":889.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA94-01-hero_3f0358da-5281-4900-9fa9-386bdcbcce34.jpg?v=1778843824"}],"url":"https:\/\/thestoneatlas.com\/collections\/quartz.oembed","provider":"The Stone Atlas","version":"1.0","type":"link"}