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Erythrite
Erythrite

Poldervaartite
Poldervaartite



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Erythrite
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Poldervaartite

Erythrite and Poldervaartite 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)
 
-
-
-
2.91
-
None
-9999
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)

Erythrite and Poldervaartite Chemical Formula

While comparing Erythrite and Poldervaartite 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 Poldervaartite chemical formula.

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Erythrite and Poldervaartite Specific Gravity

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