Танзанит, the English name Tanzanite, is derived from place names. It is a kind of vanadium-containing zoisite (V-Zoisite). Because it was discovered in Tanzania, Африка в 1967, the international gemstone community named it “Tanzania Stone”, or tanzanite for short. Tanzanite is calcium aluminosilicate and belongs to the epidote group of minerals in mineralogy. Това е […]
