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Scorzalite
Scorzalite

Simpsonite
Simpsonite



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Scorzalite
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Simpsonite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.31
Uneven
{110} Good
5.5-6
(Fe2+ ,Mg)Al 2(PO 4) 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
-9999
Conchoidal
None
7-7.5
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.