Calcite 3 gris Les traitements qui existent pour

Les traitements qui existent pour modifier de l'aigue-marine:

Charoite cabochon

73mm Weight in grams: 19

515 / n0: 1

Please note: I do not drill this stone

Calcite 3 gris Les traitements qui existent pourCalcite cabochon. Color: Beige and brown Shape: Oval Size: 53. 79 x 32. 88mm Weight in grams: 21. 52g Carat weight: 107. 60 carat Country of origin: Peru Gemological information about calcite: Possible colors: Colorless, white, yellow, green, blue, red, orange, brown, gray, black, magenta Density: Between 2. 60 and 2. 80 Hardness: 3 Crystal system: Trigonal Fracture: Conchoidal Cleavage: Perfect Polariscope: Anisotropic, restores every 90, except in