Name: |
creedite |
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Class: |
Sulfosalts |
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Chemistry: |
Ca3 Al2 (SO4) (F,OH)10 € 2H2O |
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Color(s): |
Colorless, pink, purple, white streak: white |
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Hardness: |
4 |
SpecGrav: |
2.7 |
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Fracture: |
conchoidal |
Cleavage: |
1 perfect |
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Crystal: |
Monoclinic - often prismatic, acicular sprays, radiating groups |
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Envronment: |
hydrothermal deposition, and in oxidation areas of some veins. |
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Association: |
quartz, barite, fluorite, gerarksutite |
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Locals: |
Creede Colorado, USA |
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Misc: |
Named after its original local Creede, Colorado. |
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