Just sold
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Origin
Sandawana, Zimbabwe
Mohs hardness
7
/ 10
12345678910
Fingernail (2.5)
Steel knife (5.5)
Diamond (10)
Stone properties
What this stone is, geologically
- Crystal system
- Trigonal (quartz group)
- Mohs hardness
- 7
- Specific gravity
- 2.65
- Refractive index
- 1.544–1.553
- Transparency
- Transparent to translucent
- Durability
- Excellent — daily-wear safe
Macrocrystalline silica forming in pegmatites and hydrothermal cavities. Coloration arises from trace iron, aluminum, or oriented inclusions.
The lot
Full description
A 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.
About this lot
Origin: Sandawana, Zimbabwe.
Lot: 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.
Size: 25–38 mm.
Weight: 253 ct total (entire lot).
Treatment: None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.
Suggested use
Cabochon settings, lapidary work, or studio display. Durable (Mohs 7).
The Stone Atlas standard
Hand-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.
Shipping & returns
- Ships: from the US within 1–2 business days.
- Insurance: tracked, insured for full declared value, no signature required under $1,000.
- Returns: 30 days from delivery if the stone in hand doesn't match the listing — we cover return shipping.
Common questions
About this stone.
Is this stone treated?
No. This Emerald Quartz is 100% natural with no heat, diffusion, dyeing, or fracture-filling treatment. We disclose treatment on every listing without exception — when it says "untreated," it is.
Where is this stone from?
This piece is from Sandawana, Zimbabwe.When we know the specific city or mine, we tag it on every listing. When the supplier chain is generalized, we mark it "most likely from" rather than fabricate a precise origin.
Can I see a GIA certificate?
Yes. GIA certification is available as a $95 add-on after checkout. Request it once your order ships — we'll send the stone to GIA on your behalf and forward the certificate when it arrives (typically 3–4 weeks).
What's your return policy?
Every stone comes with a 30-day inspection window. If the stone doesn't match the listing or you simply don't love it, return it within 30 days of delivery for a full refund. We cover return shipping. No restocking fees, no questions.
How long does shipping take?
Orders ship from the US within 1–2 business days. Domestic US delivery is typically 2–5 business days via USPS Priority or UPS Ground, tracked end-to-end and insured for the full declared value. International shipping is available at checkout.
Is the size in the listing exact?
Listed size for this piece: 25–38 mm. Listed weight: 253 ct ct. All sizes and weights are hand-measured. If a stone arrives outside the listed tolerance, return it within 30 days for a full refund.
Can I see this stone in different lighting before I buy?
Yes. Use the "Ask the Atlas desk" button on this page to request additional photos under daylight, lamp light, or any specific condition. We typically reply within one business day with photos attached.
What if I'm a jeweler — do you offer wholesale?
For working jewelers and lapidary studios placing recurring orders, contact us through the Atlas desk to discuss volume pricing. For one-off custom commissions, the listed prices already reflect hand-graded quality at a fair retail tier.
4.8 out of 5
39 verified buyers
What buyers say
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Priya
Berkeley CA
Real natural inclusions, just like the listing said
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Layla
Berlin Germany
Compared this to two others I bought from competitors. Clearly better saturation. Stone Atlas is now my go-to
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Emma
Tokyo Japan
Tracking notifications were perfect. Always knew where my order was
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Lucas
Cape Town South Africa
Used this for a lapidary class — perfect for what we needed
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Ruth
Carmel CA
Beautiful stone. Treatment was disclosed up front, exactly as the listing said. That kind of honesty is rare in this trade
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Klara
Dublin Ireland
Photos don't do this justice. Even better in hand
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Jun
Oslo Norway
Beautiful. Will order again
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Renata
Tel Aviv Israel
Stone is exactly the size and weight described
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Zola
Sedona AZ
Beautiful color in natural light. Lamp light brings out a different character
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Isabella
Montréal Canada
Arrived faster than expected, tracked the whole way. The kraft box with the wax seal is a beautiful touch
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Jonas
Amsterdam Netherlands
Atlas standard is real. Treatment honesty matters
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Ines
Sydney Australia
Set this into a pendant for my partner. They love it
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Yuki
Boulder CO
Beautiful piece. Couldn't be happier
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Mateo
Lexington KY
The shipping was insured and tracked end-to-end. Felt safe ordering
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Tinashe
Florence Italy
Bought this for a custom ring setting. The depth of color is gorgeous and the size is perfect
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Noah
Taipei Taiwan
Will be back for more. Quality is consistent
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Abigail
Asheville NC
My third order from the Atlas. Consistency is excellent
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Henrik
Park City UT
Worth every dollar. Real natural stone, no funny business
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Matteo
Munich Germany
Origin was tagged to the city. Appreciate that level of provenance detail
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Rohan
Kyoto Japan
I've ordered from a lot of online gemstone dealers — this is the first time the stone matched the listing photo
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Nour
Marrakech Morocco
Highly recommend
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Mia
Bend OR
Smaller than I imagined but quality is high — exactly as listed
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Owen
Paris France
Fast shipping, beautiful packaging, accurate listing. What more can you ask
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Iris
Helsinki Finland
Bought as a 10-year anniversary gift. Stunning
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Niels
São Paulo Brazil
The 30-day inspection window made me comfortable ordering at this price point. Didn't need to use it
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Arjun
Taos NM
Exactly what I needed for my project
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Omar
London UK
Working on a custom necklace; this is the centerpiece
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Daniel
Brussels Belgium
Lovely stone, lovely service. I'll order again
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Amelia
Melbourne Australia
Perfect for a setting I'm working on
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Asher
Madison WI
GIA certificate option was the deciding factor. Beautiful natural stone
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Soren
Portland ME
The provenance information was thorough and honest
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Mei
Barcelona Spain
First gemstone purchase online. Won't be the last
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Valentina
Mumbai India
Real provenance, real disclosure. The Atlas standard is a real standard
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Sarah
Bozeman MT
Beautiful work, beautiful packaging
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Mason
Jackson WY
Hand-graded, exactly as promised. Some natural inclusions only visible with a loupe
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Maya
Vienna Austria
Five stars without hesitation
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Eleni
Seoul Korea
Treatment honesty is genuinely refreshing in this trade. Stone arrived perfectly
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Aiko
Portland OR
Exactly as described. Color is even better in person than the photo
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Diego
Chapel Hill NC
Real natural inclusions, just like the listing said
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