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Erythrite
Erythrite

Sard
Sard



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Erythrite
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Sard

Erythrite and Sard Physical Properties

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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)
 
-
-
-
2.58-2.63
Conchoidal
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Erythrite and Sard Chemical Formula

While comparing Erythrite and Sard 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 Sard chemical formula.

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Erythrite and Sard Specific Gravity

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