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Name: |
mimetite |
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Class: |
Phosphates/Arsenates/Vanadates |
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Chemistry: |
Pb5(AsO4)3Cl Lead ChloroArsenate |
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Color(s): |
yellow, yellow-green, white, brown, Streak: white |
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Hardness: |
3.5 - 4.0 |
SpecGrav: |
7.0 - 7.3 |
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Fracture: |
uneven |
Cleavage: |
incomplete |
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Crystal: |
monoclinic (often pseudo hexagonal) |
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Envronment: |
formed in the alteration zone in hydrothermal replacement deposits |
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Association: |
galena, pyromorphyte, wulfenite, limonite |
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Locals: |
England | Germany | Arizona, Nevada/USA | Mexico |
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Misc: |
soluble in nitric acid, named from the Greek word "mimetes" which means "imitator" because of it's similarity to pyromorphyte |
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Photos |
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1.) Santa Eulalia, Chihuahua, Mexico |
3.) Mimetite & wulfenite
San Franciso Mine, Sonora, Mexico |
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