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Rough Onyx Black Nano Crystal Heat Resistant Jade Black synthetic Lab gemstone

US $20.50
Condition:
New without tags
Hardness: 7 Mohs! ONE OF THE BEST FOR JEWELRY CASTING!
Select
36g 40x31x9.9mm
39g 39x32x10mm
42g 44x33x10.2mm
44g 40x36x10mm
76g 60x41x10.1mm
77g 62x41x9.9mm
89g 70x42x9.9mm
195g 44x39x36mm
217g 44x40x38mm
500g several pieces (Out of stock)
Last one
People are checking this out. 2 have added this to their watchlist.
Breathe easy. Returns accepted.
Shipping:
US $9.90 Standard Shipping from outside US.
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Located in: Banglamung, Chon Buri, Thailand
Delivery:
Estimated between Tue, Aug 12 and Mon, Aug 25 to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
14 days returns. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
Payments:
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eBay item number:364364458826
Last updated on Jun 22, 2025 02:53:17 PDTView all revisionsView all revisions

Item specifics

Condition
New without tags
A brand-new, unused, and unworn item (including handmade items) that is not in original packaging or may be missing original packaging materials (such as the original box or bag). The original tags may not be attached. See all condition definitionsopens in a new window or tab
Seller Notes
“Hardness: 7 Mohs! ONE OF THE BEST FOR JEWELRY CASTING!”
Transparency
Translucent
Gemstone Color
Black
Gemstone Type
Spinel
Cut Grade
Uncut
Item Length
Irregular
Item Depth
Irregular
Gemstone Shape
Rough
Gemstone Creation
Lab-Created
Certification
Not
Brand
AknTal Gems
Gemstone Treatment
Heated
Gemstone Form
Rough
Gemstone Clarity Grade
Eye Clean
Country/Region of Manufacture
Thailand
Country of Origin
Thailand
Item Width
Irregular
Category

Item description from the seller

About this seller

Akntalgems

100% positive feedback837 items sold

Joined Mar 2017
Usually responds within 24 hours
www.akntalgems.com Create Your Style With Us: Our company is located in Thailand, province Chonburi. Since 2012, we started the production of colored glass with high decorative properties. 2013 began ...
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
4.8
Shipping speed
5.0
Communication
5.0

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Seller feedback (178)

All ratings
Positive
Neutral
Negative
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Item as described. Good Supplier with good delivery
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Piece arrive chipped, not enough padding. 3 pieces in plastic sealed bag inside padded envelope is not enough padding. Good color, I haven’t cut it yet.
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Awesome seller. Fast shipping and item as described. Really happy with this purchase. Thank you so much.