Chalcostibite altering to Azurite & Malachite

Item Description

Chalcostibite is an uncommon sulfosalt and this rich and excellent thumbnail features lustrous, metallic-bright, striated chalcostibite partially pseudomorphing into azurite and malachite. The uncommon locality is Rar-el-Anz, Morocco. Seldom available on the market from this locality in this quality. Most pieces you see are much more altered to malachite and azurite.