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Chrysotile
Chrysotile

Precious Opal
Precious Opal



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Chrysotile
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Precious Opal
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble in water
-
2.51-2.63
Fibrous
Perfect basal
2.5-4.5
Mg 3(Si 2O 5)(OH) 4Gemdat.org , Management Team (2012)
 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)