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Rock Crystal and Erythrite Physical Properties


Erythrite and Rock Crystal Physical Properties


Physical Properties

Tenacity
Not Available   
Sectile   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.65   
3.06   

Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)   
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).   

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

Mohs Hardness
7   
Not Available   

Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)   
Co3(AsO4)2•8(H2O)   

Optical Properties >>
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Rock Crystal and Erythrite Chemical Formula

While comparing Rock Crystal and Erythrite 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 Rock Crystal and Erythrite chemical formula.

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Rock Crystal and Erythrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rock Crystal and Erythrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rock Crystal and Erythrite Optical Properties during the identification of gemstone. Specific gravity of Rock Crystal is 3.06 whereas that of Erythrite is 3.06.

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