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Albite
Albite
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Opal
Opal
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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.60-2.65
Uneven, Conchoidal
Perfect on {001}, very good on {010}, imperfect on {110}
6-6.5
NaAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O

Compare Gems for Aquarius

Gems for Aquarius

Turquoise
Turquoise
Angelite
Angelite
Barite
Barite
Opal
Fluorite
Opal Vs Fluorite
Opal
Garnet
Opal Vs Garnet
Opal
Hematite
Opal Vs Hematite

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