Yellow Opal - Rough

Price per: Gram
Sale price$1.00 USD


Origin: Kasula District in the Kigoma region of western Tanzania, Africa

Description: This yellow opal from Africa is beautiful. It has no play of color as a yellow "fire" opal, but when you hit those transparent spots... its gorgeous.
Opal is known for cracking. Do not keep this stone wet. It has already been cured, so do not put it in a jar of water for storage. 
You can get it wet while you're cutting it- but do not leave it in water for a couple days or more. this will re-saturate it and cause it to expand.

Chemical CompositionSiO2.nH2O
Grade: Semi Precious
Appearance: Translucent

Cracks: Some- Because its opal, it is prone to cracking. This has been cured for at least 1.5 years
Mineral: Minimal- Dendrite inclusions and some sand

Cost per Gram: $0.15
Size range: Small & Medium
Rough is rough. We do our best to grade and describe pieces in the lot, but ultimately, they all differ.

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