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Covellite (also known as covelline) is a rare copper sulfide mineral with the formula CuS. This indigo blue mineral is commonly a secondary mineral in limited abundance and although it is not an important ore of copper itself, it is well known to mineral collectors.
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copper mineral structure also sulfides found cus sulfide commonly sulfur however needed layers known secondary formula formation cu covellite's s2
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Covellite | Category | Sulfide mineral | 1.00 | infobox |
| Covellite | Cleavage | Perfect on {0001} | 1.00 | infobox |
| Covellite | Color | Indigo-blue or darker, commonly highly iridescent, brass-yellow to deep red | 1.00 | infobox |
| Covellite | Crystal class | Dihexagonal dipyramidal (6/mmm) H–M Symbol (6/m 2/m 2/m) | 1.00 | infobox |
| Covellite | Crystal habit | Thin platy hexagonal crystals and rosettes also massive to granular. | 1.00 | infobox |
| Covellite | Crystal system | Hexagonal | 1.00 | infobox |
| Covellite | Dana classification | 02.08.12.01 | 1.00 | infobox |
| Covellite | Diaphaneity | Opaque | 1.00 | infobox |
| Covellite | Formula | CuS (copper monosulfide) | 1.00 | infobox |
| Covellite | Fusibility | 2.5 | 1.00 | infobox |
| Covellite | IMA symbol | Cv | 1.00 | infobox |
| Covellite | Luster | Submetallic, inclining to resinous to dull | 1.00 | infobox |
| Covellite | Mohs scale hardness | 1.5–2 | 1.00 | infobox |
| Covellite | Optical properties | Uniaxial (+) | 1.00 | infobox |
| Covellite | Other characteristics | Micaceous cleavage | 1.00 | infobox |
| Covellite | Pleochroism | Marked, deep blue to pale blue | 1.00 | infobox |
| Covellite | Refractive index | nω = 1.450 nε = 2.620 | 1.00 | infobox |
| Covellite | Space group | P63/mmc | 1.00 | infobox |
| Covellite | Specific gravity | 4.6–4.8 | 1.00 | infobox |
| Covellite | Streak | Lead gray | 1.00 | infobox |
| Covellite | Strunz classification | 2.CA.05a | 1.00 | infobox |
| Covellite | Tenacity | Flexible | 1.00 | infobox |
| Covellite | Unit cell | a = 3.7938 Å, c = 16.341 Å; Z = 6 | 1.00 | infobox |
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