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Erythrite
Erythrite

Augelite
Augelite



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Erythrite
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Augelite

Erythrite and Augelite 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)
 
-
-
-
2.70-2.75
Conchoidal
From the Greek for luster, for its pearly luster on the cleavage.
4.5-5
Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Erythrite and Augelite Chemical Formula

While comparing Erythrite and Augelite 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 Augelite chemical formula.

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Erythrite and Augelite Specific Gravity

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