×

Sard
Sard
☒

Heliotrope
Heliotrope
☒



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Sard
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Heliotrope
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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.
 
-
-
-
2.61
-
None
6.5-7
SiO2

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Heliotrope
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Heliotrope Vs Serendibite
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Shattuckite
Heliotrope Vs Shattuckite

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