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Diamond
Diamond

Opal Ethiopia
Opal Ethiopia



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Diamond
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Opal Ethiopia
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
Soluble
-
3.50-3.53
Conchoidal
111 (perfect in four directions)
10
C
 
-
-
-
-9999
-
None
5.5-6.5
SiO2*nH2O