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Mimetite
Mimetite

Zinnwaldite
Zinnwaldite



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Mimetite
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Zinnwaldite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
7.10
Conchoidal
[10 1 1] Imperfect
3.5
Pb 5(AsO 4) 3ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Elastic
-
-
2.9-3.1
Uneven
Perfect basal {001}
3.5-4.0
-