General
what is marcasite stone – The Blue Monkey Restaurant & Pizzeria
The name Malachite comes from a Greek word for “mallow-green,” because the distinct color resembles the leaves of the mallow plant. Malachite was used as a mineral pigment in green paints from antiquity until about 1800. … Pyrite is a metallic mineral that derives from iron. Is gold heavier than pyrite? Gold is a lot more dense than pyrite – it weighs about one and a half times more than pyrite. What rock has gold? Read more…