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Andesine
Andesine

Opal Ethiopia
Opal Ethiopia



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Andesine
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Opal Ethiopia
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.65-2.69
Uneven, Conchoidal
Perfect on {001}, good on {010}
6-6.5
(Na,Ca)Al1-2Si3-2O8
 
-
-
-
-9999
-
None
5.5-6.5
SiO2*nH2O