Green Moonstone from India, hand-graded by The Stone Atlas, lot XA62
Origin Karnataka, India
Mohs hardness 66.5 / 10
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Fingernail (2.5) Steel knife (5.5) Diamond (10)

Stone properties

What this stone is, geologically

Crystal system
Monoclinic / triclinic (feldspar group)
Mohs hardness
6 – 6.5
Specific gravity
2.55–2.76
Refractive index
1.518–1.541
Transparency
Transparent to translucent
Durability
Good — settings should protect edges

Feldspar minerals showing adularescence (moonstone), aventurescence (sunstone), or color from copper (amazonite).

The lot

Full description

A hand-graded cabochon of green moonstone from Karnataka, India, calibrated to the 14–24 mm working range. Sold as a single piece, weighed in carats, treatments disclosed.

About this lot

Origin: Karnataka, India.

Format: One specific cabochon, weighing approximately 14 ct, hand-graded from a parent lot of 567 ct. Each stone is similar in size and grade; you receive one cab matched to the listing.

Size: 14–24 mm.

Weight: ~14 ct per piece.

Treatment: None. 100% natural, untreated material. Disclosed on every listing — that's the Atlas standard.

Suggested use

Pendant settings, statement rings, or display — adularescence and aventurescence show best in slow light.

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 Green Moonstone 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 Karnataka, India.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: 14–24 mm. Listed weight: 14 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.

5.0 out of 5

6 verified buyers

What buyers say

  1. Sofia

    Vancouver Canada

    Verified buyer 112d ago

    Nice piece, slightly more inclusions than I expected — but consistent with the listed grade

  2. Priya

    Lisbon Portugal

    Verified buyer 117d ago

    Slightly smaller than I imagined but the quality is great

  3. Layla

    Bangkok Thailand

    Verified buyer 122d ago

    Beautiful stone, would have liked one or two more detailed photos before ordering

  4. Emma

    Burlington VT

    Verified buyer 127d ago

    Used this for a lapidary class — perfect for what we needed

  5. Lucas

    Iowa City IA

    Verified buyer 132d ago

    Beautiful stone. Treatment was disclosed up front, exactly as the listing said. That kind of honesty is rare in this trade

  6. Ruth

    Rome Italy

    Verified buyer 137d ago

    Photos don't do this justice. Even better in hand