Piétersite 13 Carré Gemological information on bull's eye:

Gemological information on bull's eye:

Amethyst beads

L'opale commune bleue peut-être confondue avec:

19g Carat weight: 20

may be heavily included which gives it a whitish appearance

Piétersite 13 Carré Gemological information on bull's eye:Pietersite cabochon. Color: Blue and orange Shape: Oval Size: 32. 88 x 21. 78mm Weight in grams: 4. 78g Carat weight: 23. 90 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