| Sylvanite | |
|---|---|
2Te4),_Cripple_Creek_Diatreme.jpg) Sylvanite from the Cripple Creek mining district | |
| General | |
| Category | Telluride mineral |
| Formula (repeating unit) | (Ag,Au)Te2 |
| IMA symbol | Syv[1] |
| Strunz classification | 2.EA.05 |
| Crystal system | Monoclinic |
| Crystal class | Prismatic (2/m) (same H-M symbol) |
| Space group | P2/c |
| Identification | |
| Formula mass | 429.89 g/mol |
| Color | Silver-grey, silver-white |
| Crystal habit | Massive to crystalline |
| Cleavage | Perfect on the {010} |
| Fracture | Uneven |
| Tenacity | Brittle |
| Mohs scale hardness | 1.5–2 |
| Luster | Metallic |
| Streak | Steel grey |
| Diaphaneity | Opaque |
| Specific gravity | 8.2 |
| Density | 8.1 |
| Optical properties | Anisotropic |
| Pleochroism | None |
| Ultraviolet fluorescence | None |
| References | [2][3][4] |
Sylvanite or silver gold telluride, chemical formula (Ag,Au)Te2, is the most common telluride of gold.
- ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
- ^ Sylvanite: Sylvanite mineral information and data
- ^ Sylvanite Mineral Data
- ^ "Sylvanite (Silver Gold Telluride)". Archived from the original on 2004-06-30. Retrieved 2004-06-19.