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Prase Opal
Prase Opal

Rose Quartz
Rose Quartz



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Prase Opal
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Rose Quartz
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.
 
-
-
-
2.65
ConchoidalWalter Schumann
Indiscernible
7
SiO2