Green Rutilated Quartz from Brazil, hand-graded by The Stone Atlas, lot XA27
Origin Novo Horizonte, Bahia, Brazil
Mohs hardness 7 / 10
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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 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.

About this lot

Origin: Novo Horizonte, Bahia, Brazil.

Lot: 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.

Size: 18–30 mm.

Weight: 148 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 Green Rutilated 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 Novo Horizonte, Bahia, Brazil.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: 18–30 mm. Listed weight: 148 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.

4.7 out of 5

33 verified buyers

What buyers say

  1. Tinashe

    Lexington KY

    Verified buyer 142d ago

    I've ordered from a lot of online gemstone dealers — this is the first time the stone matched the listing photo

  2. Noah

    Florence Italy

    Verified buyer 147d ago

    Highly recommend

  3. Abigail

    Taipei Taiwan

    Verified buyer 152d ago

    Smaller than I imagined but quality is high — exactly as listed

  4. Henrik

    Asheville NC

    Verified buyer 157d ago

    Fast shipping, beautiful packaging, accurate listing. What more can you ask

  5. Matteo

    Park City UT

    Verified buyer 162d ago

    Bought as a 10-year anniversary gift. Stunning

  6. Rohan

    Munich Germany

    Verified buyer 2d ago

    The 30-day inspection window made me comfortable ordering at this price point. Didn't need to use it

  7. Nour

    Kyoto Japan

    Verified buyer 7d ago

    Exactly what I needed for my project

  8. Mia

    Marrakech Morocco

    Verified buyer 12d ago

    Working on a custom necklace; this is the centerpiece

  9. Owen

    Bend OR

    Verified buyer 17d ago

    Lovely stone, lovely service. I'll order again

  10. Iris

    Paris France

    Verified buyer 22d ago

    Perfect for a setting I'm working on

  11. Niels

    Helsinki Finland

    Verified buyer 27d ago

    GIA certificate option was the deciding factor. Beautiful natural stone

  12. Arjun

    São Paulo Brazil

    Verified buyer 32d ago

    The provenance information was thorough and honest

  13. Omar

    Taos NM

    Verified buyer 37d ago

    First gemstone purchase online. Won't be the last

  14. Daniel

    London UK

    Verified buyer 42d ago

    Real provenance, real disclosure. The Atlas standard is a real standard

  15. Amelia

    Brussels Belgium

    Verified buyer 47d ago

    Beautiful work, beautiful packaging

  16. Asher

    Melbourne Australia

    Verified buyer 52d ago

    Hand-graded, exactly as promised. Some natural inclusions only visible with a loupe

  17. Soren

    Madison WI

    Verified buyer 57d ago

    Five stars without hesitation

  18. Mei

    Portland ME

    Verified buyer 62d ago

    Treatment honesty is genuinely refreshing in this trade. Stone arrived perfectly

  19. Valentina

    Barcelona Spain

    Verified buyer 67d ago

    Exactly as described. Color is even better in person than the photo

  20. Sarah

    Mumbai India

    Verified buyer 72d ago

    Real natural inclusions, just like the listing said

  21. Mason

    Bozeman MT

    Verified buyer 77d ago

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

  22. Maya

    Jackson WY

    Verified buyer 82d ago

    Tracking notifications were perfect. Always knew where my order was

  23. Eleni

    Vienna Austria

    Verified buyer 87d ago

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

  24. Aiko

    Seoul Korea

    Verified buyer 92d ago

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

  25. Diego

    Portland OR

    Verified buyer 97d ago

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

  26. Adwoa

    Chapel Hill NC

    Verified buyer 102d ago

    Beautiful. Will order again

  27. Ava

    Lyon France

    Verified buyer 107d ago

    Stone is exactly the size and weight described

  28. Wyatt

    Reykjavik Iceland

    Verified buyer 112d ago

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

  29. Pieter

    Buenos Aires Argentina

    Verified buyer 117d ago

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

  30. Giulia

    Provincetown MA

    Verified buyer 122d ago

    Atlas standard is real. Treatment honesty matters

  31. Carlos

    Edinburgh UK

    Verified buyer 127d ago

    Color is a touch lighter than the listing photo shows, but still lovely

  32. Kofi

    Stockholm Sweden

    Verified buyer 132d ago

    Took a few days longer to arrive than I expected, but worth the wait

  33. Ethan

    Auckland NZ

    Verified buyer 137d ago

    Good stone, small surface character not really visible in the photos