{"title":"Agate \u0026 chalcedony","description":"\u003cp\u003eBanded agates, fire agate, carnelian, chrysoprase, chalcedony cabochons — the cryptocrystalline silica family.\u003c\/p\u003e","products":[{"product_id":"fire-agate-xa20","title":"Fire Agate · Calvillo, Aguascalientes, Mexico, 10 ct parcel","description":"\u003cp class=\"product-lede\"\u003eA hand-graded parcel of cabochons of fire agate from Calvillo, Aguascalientes, Mexico, calibrated to the 8–24 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 Calvillo, Aguascalientes, Mexico.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eParcel:\u003c\/strong\u003e Minimum guaranteed 10 ct total weight. Each parcel typically contains 2–5 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 8–24 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Minimum 10 ct per parcel (parent lot has 167 ct available).\u003c\/p\u003e\n\u003cp class=\"product-variance\"\u003e\u003cstrong\u003eSize note:\u003c\/strong\u003e Wide size variance — stones range from 8 mm to 24 mm (3.0× 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\u003ePremium jewellery settings — bezel mounts in 14k or 18k gold, sterling silver collector pieces. Treat with care: not impact-resistant.\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":55687100432457,"sku":"XA20-P","price":405.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~3 ct)","offer_id":55688029208649,"sku":"XA20-S","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA20-01-hero_206140d7-75e1-43b3-b6c5-4d51d987cb3d.jpg?v=1778843322"},{"product_id":"blue-chalcedony-xa46","title":"Blue Chalcedony · Sukabumi, West Java, Indonesia, 4-piece lot (~121 ct)","description":"\u003cp class=\"product-lede\"\u003eA hand-graded 4-piece lot of cabochons of blue chalcedony from Sukabumi, West Java, Indonesia, calibrated to the 21–25 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 Sukabumi, West Java, Indonesia.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLot:\u003c\/strong\u003e Curated 4-piece selection sold as a single unit. Total weight approximately 121 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 21–25 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 121 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\u003eLapidary projects, robust everyday-wear jewellery, or studio display. Durable (Mohs 6.5+).\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 (121 ct)","offer_id":55687102038089,"sku":"XA46-L","price":485.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~30 ct)","offer_id":55688154841161,"sku":"XA46-S","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA46-01-hero_6819522e-6cda-4390-8a55-1ae96789365c.jpg?v=1778843498"},{"product_id":"uv-stick-agate-xa53","title":"UV Stick Agate · Mwadui, Tanzania, 1-piece lot (~109 ct)","description":"\u003cp class=\"product-lede\"\u003eA hand-graded 1-piece lot of cabochons of uv stick agate from Mwadui, Tanzania, calibrated to the 32 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 Mwadui, Tanzania.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLot:\u003c\/strong\u003e Curated 1-piece selection sold as a single unit. Total weight approximately 109 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 32 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 109 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\u003eLapidary projects, robust everyday-wear jewellery, or studio display. Durable (Mohs 6.5+).\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 (109 ct)","offer_id":55687102496841,"sku":"XA53-S","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA53-01-hero_a00b5815-91a7-4069-8c2d-6c24a4b612c7.jpg?v=1778843546"},{"product_id":"fossil-agate-xa69","title":"Fossil Agate · Sumatra, Indonesia, 5-piece lot (~233 ct)","description":"\u003cp class=\"product-lede\"\u003eA hand-graded 5-piece lot of cabochons of fossil agate from Sumatra, Indonesia, calibrated to the 34–41 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 Sumatra, Indonesia.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLot:\u003c\/strong\u003e Curated 5-piece selection sold as a single unit. Total weight approximately 233 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 34–41 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 233 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\u003eLapidary projects, robust everyday-wear jewellery, or studio display. Durable (Mohs 6.5+).\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 (233 ct)","offer_id":55687103676489,"sku":"XA69-L","price":245.0,"currency_code":"USD","in_stock":true},{"title":"Single piece (~47 ct)","offer_id":55688156414025,"sku":"XA69-S","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/8140\/7049\/files\/XA69-01-hero_45737f1e-68f9-4000-be0d-6736a50f498f.jpg?v=1778843655"}],"url":"https:\/\/thestoneatlas.com\/collections\/agate-chalcedony.oembed","provider":"The Stone Atlas","version":"1.0","type":"link"}