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

Akntalgems
(70)
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US $34.50
ApproximatelyRM 145.28
Condition:
New without tags
“Hardness: 7 Mohs! ONE OF THE BEST FOR JEWELRY CASTING!”
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36g 40x31x9.9mm
39g 39x32x10mm
42g 44x33x10.2mm
44g 40x36x10mm
76g 60x41x10.1mm selected
77g 62x41x9.9mm
89g 70x42x9.9mm
195g 44x39x36mm
217g 44x40x38mm
500g several pieces (Out of stock)
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Breathe easy. Returns accepted.
Shipping:
US $9.90 (approx RM 41.69) Standard Shipping from outside US.
Located in: Banglamung, Chon Buri, Thailand
Delivery:
Estimated between Wed, 12 Nov and Wed, 26 Nov to 94104
Estimated delivery dates - opens in a new window or tab include seller's handling time, origin ZIP Code, destination ZIP Code and time of acceptance and will depend on shipping service selected and receipt of cleared paymentcleared payment - opens in a new window or tab. Delivery times may vary, especially during peak periods.
Returns:
14 days return. Buyer pays for return shipping. If you use an eBay shipping label, it will be deducted from your refund amount.
Coverage:
Read item description or contact seller for details. See all detailsSee all details on coverage
(Not eligible for eBay purchase protection programmes)
Seller assumes all responsibility for this listing.
eBay item number:364364458826
Last updated on Oct 21, 2025 17:02:13 MYTView all revisionsView all revisions

Item specifics

Condition
New without tags
A brand-new, unused, and unworn item that is not in original retail packaging or may be missing original retail 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 feedback•844 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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Seller feedback (181)

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Negative
  • *****- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Item as described. Good Supplier with good delivery
  • *****- Feedback left by buyer.
    Past year
    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 year
    Verified purchase
    Awesome seller. Fast shipping and item as described. Really happy with this purchase. Thank you so much.
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