Wholesale Opal boulder Australia A+ (unique piece)

OPAB-C-01 Origin: Australia Grade: A+ Dimensions: 35mm x 21mm Weight: 12.54g Origin: Australia (Queensland) Grade: A+ = high Unpierced boulder opal cabochon from Australia, 35mm x 21mm. Unique piece = you receive the model in the photo Opal is an absolutely unique stone. No crystalline structure in nature resembles that of opal: millions of tiny spheres gathered in an amorphous mass (without crystallized form). Carved opals discovered in a cave in Kenya and extracted in Ethiopia have been dated to 4,000 BC. Opals are truly precious stones, and boulder opals are among the most well-known in the opal family.