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Glass
Glass

Zinnwaldite
Zinnwaldite



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Zinnwaldite
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.39-4.00
-
None
4-6
SiO2
 
Elastic
-
-
2.9-3.1
Uneven
Perfect basal {001}
3.5-4.0
-