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Erythrite
Erythrite

Anorthite
Anorthite



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Erythrite
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Anorthite

Erythrite and Anorthite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Sectile
-
-
3.06
Sectile
Perfect on {010}; poor on {100} and { 1 02}.
-9999
Co3(AsO4)2•8(H2O)
 
Brittle
-
-
2.77
Uneven
Perfect [001] good [010] poor [110]
6-6.5
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Erythrite and Anorthite Chemical Formula

While comparing Erythrite 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 Erythrite and Anorthite chemical formula.

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Erythrite and Anorthite Specific Gravity

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