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Crystal Opal
Crystal Opal

Anorthite
Anorthite



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Crystal Opal
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Anorthite

Crystal Opal and Anorthite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.97-2.22
Conchoidal
None
5.5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.
 
Brittle
-
-
2.77
Uneven
Perfect [001] good [010] poor [110]
6-6.5
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Crystal Opal and Anorthite Chemical Formula

While comparing Crystal Opal and Anorthite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Crystal Opal and Anorthite chemical formula.

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Crystal Opal and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crystal Opal and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Opal Vs Anorthite during the identification of gemstone. Specific gravity of Crystal Opal is whereas that of Anorthite is .