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Erythrite and Dallasite Physical Properties


Dallasite and Erythrite Physical Properties


Physical Properties

Tenacity
Sectile   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.06   
2.58-2.91   

Fracture
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).   
Not Available   

Cleavage
Perfect on {010}; poor on {100} and { 1 02}.   
Not Available   

Mohs Hardness
Not Available   
6.5-7   

Chemical Composition
Co3(AsO4)2•8(H2O)   
Not Available   

Optical Properties >>
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Erythrite and Dallasite Chemical Formula

While comparing Erythrite and Dallasite 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 Dallasite chemical formula.

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Erythrite and Dallasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Dallasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Dallasite Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 2.58-2.91 whereas that of Dallasite is 2.58-2.91.

Red Gemstones

Red Gemstones


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