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Name: |
cyanotrichite |
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Class: |
Sulfosalts |
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Chemistry: |
Cu4 Al2 (SO4) (OH)12 · 2(H2O) |
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Color(s): |
sky blue to dark blue streak: pale blue |
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Hardness: |
1-3 |
SpecGrav: |
2.7 - 2.9 |
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Fracture: |
uneven |
Cleavage: |
incomplete |
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Crystal: |
Orthorhombic - usually acicular crystals radiating into fibrous balls. |
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Envronment: |
secondary mineral in alteration zones of hydrothermal deposits. |
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Association: |
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Locals: |
| France | Italy | Greece | Az., Ca., USA | Chile | |
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Misc: |
The name is derived from two Greek words: ³kyanos² and ³thrix², ³blue² and ³hair². |
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Photos |
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1.) Grandview Mine, Coconino Co., Arizona |
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