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Hexagonite
Hexagonite
☒

Sardonyx
Sardonyx
☒



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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.98-3.03
Uneven
[110] perfect; [010] distinct
5-6
Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

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Sardonyx Vs Manganotantalite
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Sardonyx Vs Microlite

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