Thulite is a translucent, crystalline or massive pink manganese-bearing variety of the mineral zoisite. Manganese substitutes for calcium in the structure with up to two percent Mn2+. Thulite is often

Clinozoisite is a complex calcium aluminium sorosilicate mineral with formula: Ca2Al3O. It forms a continuous solid solution series with epidote by substitution of iron in the aluminium and is also ca