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Sard
Sard
☒

Blue gold
Blue gold
☒



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Blue gold
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.58-2.63
Conchoidal
None
6.5-7
SiO 2Ulrich Henn and Claudio C.
 
-
-
-
-9999
-
-
-9999
Au(CuAl)2