Hydrogrossular 2.69 ct.
Hydrogrossular 2.69 ct.
Hydrogrossular
is a type of garnet with formula : Ca3Al2(SiO4)3-x(OH)4 and hardness of 7. Occur in various colors: the most common is green,but also grey,lavender and pink.As far as I know is never transaprent ,always opaque to translucent.Also called "transwaal jade" is generally cut in cabochons or carved.The small black inclusions are chromite.From South Africa.
Size: 10x7.1x5 mm.
Weight: 2.69 ct.
CODE#9031