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Rock Crystal
Rock Crystal

Clinothulite
Clinothulite



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Clinothulite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
2.65
ConchoidalWalter Schumann
None
7
SiO 2Walter Schumann , Gemstones of the world (2001)
 
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-
-
-9999
-
Perfect
-9999
Ca2(Mg,Fe)3Al2(SiO4)4(OH)4