编号 106034073

编号 106034073

Bi-colour tourmaline crystals form when the chemical composition of the host fluid changes during growth, resulting in two distinct colours within a single crystal. Popularly sourced from Afghanistan and Brazil, these crystals—often pink and green or blue and green—are highly valued by collectors….
From Afghanistan
Weight : 12 grams
Sizes :
17x10x10mm
18x6x6mm
17x7x6mm
17x7x4mm