Piétersite 4 pêche Different countries where mother-of-pearl can

Different countries where mother-of-pearl can come from: Japan

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70mm diameter

07mm Weight in grams: 12

Piétersite 4 pêche Different countries where mother-of-pearl canPietersite cabochon. Color: Blue Shape: Drop Size: 37. 25 x 22. 30mm Weight in grams: 5. 26g Carat weight: 26. 32 carat Country of origin: Namibia Gemological information about pietersite: Note: Pietersite is a variety of chalcedony. Possible colors: Blue, gray, yellow and brown Density: Between 2. 50 and 2. 75 Hardness: Between 6. 5 and 7 Crystal system: Trigonal Different countries where pietersite may be mined: Namibia and China