Charoite from Russia, hand-graded by The Stone Atlas, lot XA7
Origin Murun, Sakha Republic, Russia
Mohs hardness 56 / 10
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Fingernail (2.5) Steel knife (5.5) Diamond (10)

Stone properties

What this stone is, geologically

Crystal system
Monoclinic
Mohs hardness
5 – 6
Specific gravity
2.54–2.78
Refractive index
1.55–1.56
Transparency
Translucent to opaque
Durability
Moderate — pendant and earring use preferred

Complex potassium silicate found only in the Murun massif of Yakutia, Russia. The fibrous texture creates a chatoyant silky sheen.

The lot

Full description

A hand-graded cabochon of charoite from Murun, Sakha Republic, Russia, calibrated to the 22–30 mm working range. Sold as a single piece, weighed in carats, treatments disclosed.

About this lot

Origin: Murun, Sakha Republic, Russia.

Format: One specific cabochon, weighing approximately 19 ct, hand-graded from a parent lot of 134 ct. Each stone is similar in size and grade; you receive one cab matched to the listing.

Size: 22–30 mm.

Weight: ~19 ct per piece.

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

Suggested use

Setting in jewellery — ring bezels, pendant cabochons, statement earrings. Dome and polish are jewellery-ready.

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 Charoite 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 Murun, Sakha Republic, Russia.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: 22–30 mm. Listed weight: 19 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.

4.9 out of 5

16 verified buyers

What buyers say

  1. Abigail

    Tokyo Japan

    Verified buyer 97d ago

    Real natural inclusions, just like the listing said

  2. Henrik

    Cape Town South Africa

    Verified buyer 102d ago

    Compared this to two others I bought from competitors. Clearly better saturation. Stone Atlas is now my go-to

  3. Matteo

    Carmel CA

    Verified buyer 107d ago

    Tracking notifications were perfect. Always knew where my order was

  4. Rohan

    Dublin Ireland

    Verified buyer 112d ago

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

  5. Nour

    Oslo Norway

    Verified buyer 117d ago

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

  6. Mia

    Tel Aviv Israel

    Verified buyer 122d ago

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

  7. Owen

    Sedona AZ

    Verified buyer 127d ago

    Beautiful. Will order again

  8. Iris

    Montréal Canada

    Verified buyer 132d ago

    Stone is exactly the size and weight described

  9. Niels

    Amsterdam Netherlands

    Verified buyer 137d ago

    Beautiful color in natural light. Lamp light brings out a different character

  10. Arjun

    Sydney Australia

    Verified buyer 142d ago

    Arrived faster than expected, tracked the whole way. The kraft box with the wax seal is a beautiful touch

  11. Omar

    Boulder CO

    Verified buyer 147d ago

    Atlas standard is real. Treatment honesty matters

  12. Daniel

    Lexington KY

    Verified buyer 152d ago

    Set this into a pendant for my partner. They love it

  13. Amelia

    Florence Italy

    Verified buyer 157d ago

    Beautiful piece. Couldn't be happier

  14. Asher

    Taipei Taiwan

    Verified buyer 162d ago

    The shipping was insured and tracked end-to-end. Felt safe ordering

  15. Soren

    Asheville NC

    Verified buyer 2d ago

    Bought this for a custom ring setting. The depth of color is gorgeous and the size is perfect

  16. Mei

    Park City UT

    Verified buyer 7d ago

    Will be back for more. Quality is consistent