Paratacamite
| Paratacamite | |
|---|---|
 Paratacamite from the Cornwall, England | |
| General | |
| Category | Halide mineral |
| Formula (repeating unit) | Cu3(Cu,Zn)(OH)6Cl2 |
| Strunz classification | III / D.01-55 |
| Crystal system | Trigonal |
| Crystal class | Rhombohedral |
| Unit cell | a = 13,654, c = 14,041; |
| Identification | |
| Formula mass | 58.433 g/mol |
| Color | Green |
| Cleavage | Very good |
| Fracture | Conchoidal |
| Mohs scale hardness | 3 |
| Luster | Vitreous |
| Streak | Green |
| Diaphaneity | Transparent |
| Specific gravity | 3.74 |
| Density | 3.74g/cm3 |
| Solubility | Acid-soluble |
| References | [1] |
Paratacamite is a mineral in the halide minerals category. Its chemical formula is Cu3(Cu,Zn)(OH)6Cl2. Its name is derived from its association with atacamite.
It is found in Chile, Botallack Mine in Cornwall, Broken Hill, Australia, and in Italy in Capo Calamita on the island of Elba.[1]
See also
References
- ^ a b "Paratacamite: Paratacamite mineral information and data". mindat.org. Retrieved 2017-09-20.
Wikimedia Commons has media related to Halite.