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Name: |
pyromorphite |
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Class: |
Phosphates/Arsenates/Vanadates |
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Chemistry: |
Pb5(PO4)3Cl Lead Chloro-Phosphate |
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Color(s): |
yellow, yellow-white, greenish, Streak: pale-yellow,greenish-yellow |
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Hardness: |
3.5 - 4.0 |
SpecGrav: |
6.7 - 7.1 |
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Fracture: |
uneven |
Cleavage: |
none |
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Crystal: |
hexagonal |
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Envronment: |
alteration zone in hydrothermal deposits |
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Association: |
mimetite wulfenite, galena, cerussite |
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Locals: |
| Mexico | British Columbia | Austrailia | Idaho/ USA | |
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Misc: |
soluble in nitric acid, it has a high index of refraction, name comes form the Greek phrase "pyro morph" meaning "fire formed", it was observed by the Greeks that it would recrystallize from a melt. |
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Photos |
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1.) Bunker Hill Mine, Kellog, Idaho |
3.) Bunker Hill Mine, Kellog, Idaho |
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