Chalcopyrite, also known as copper cies, yellow cies, pyrites aureo colore or geelkis, is a very frequent mineral from the mineral class of the “sulphides and sulphos salts ” with the chemical formula CuFeS 2. The compound thus consists of one part each of copper and iron,and two parts of sulfur, and is thus chemically a copper-iron sulphide.
- Country of origin USA
- District Reynolds Co.Missouri
- County Viburnum Trend
- Mine Sweetwater Mine
- Weight 227 g
- Dimensions 12,5 × 8,5 × 2,5 cm