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Chalcanthite
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Chalcanthite
Synonyms: |
Blue Stone, Blue Vitriol, Copper Vitriol, Cyanosite, Cyprian Vitriol, Sulphate of Copper |
Classification: |
Sulfates |
Chemical formula: |
Cu[SO4] · 5 H2O |
Crystal system: |
Triclinic |
Density (g/cm3): |
2.286 measured on artificial material 2.282 calculated |
Tenacity: |
Brittle |
Cleavage: |
Imperfect / fair |
Fracture: |
Conchoidal |
Hardness (Mohs): |
2,5 |
Colour: |
Green, green blue, light blue, or dark blue |
Lustre: |
Vitreous, Resinous |
Streak: |
White |
Transparency: |
Transparent, Translucent |
Type locality: |
Chuquicamata Mine, Chuquicamata District, Calama, El Loa Province, Antofagasta, Chile |
Application: |
rarely mined as copper ore |
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