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Marcasite
Marcasite

Chrome Tremolite
Chrome Tremolite



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Marcasite
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Chrome Tremolite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
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4.80-4.90
Uneven
{010} Indistinct
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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2.90-3.20
-
Perfect
5-6
Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.