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| Tenorite | |
|---|---|
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| General | |
| Category | Oxide mineral |
| Formula (repeating unit) | CuO |
| IMA symbol | Tnr[1] |
| Strunz classification | 4.AB.10 |
| Crystal system | Monoclinic |
| Crystal class | Prismatic (2/m) (same H-M symbol) |
| Space group | C2/c |
| Unit cell | a = 4.6837(5) Å b = 3.4226(5) Å c = 5.1288(6) Å; β = 99.47°; Z = 4 |
| Identification | |
| Color | Steel-gray, iron-gray, black |
| Crystal habit | Lathlike crystals, curved, scaly, dendritic; commonly pulverulent, earthy, massive |
| Twinning | Common on {011}, forming stellate groups; lamellar |
| Cleavage | Poor to indistinct |
| Fracture | Conchoidal to uneven |
| Tenacity | Brittle; flexible and elastic in thin scales |
| Mohs scale hardness | 3.5–4 |
| Luster | Metallic to earthy |
| Streak | Black |
| Diaphaneity | Opaque, thin flakes transparent |
| Specific gravity | 6.5 |
| Optical properties | Biaxial (+) |
| Pleochroism | Distinct; light to dark brown |
| References | [2][3][4] |
Tenorite is a copper oxide mineral with the chemical formula CuO.
- ^ 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.
- ^ Handbook of Mineralogy
- ^ Webmineral data
- ^ Mindat
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