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Erythrite and Sapphire Physical Properties


Sapphire and Erythrite Physical Properties


Physical Properties

Tenacity
Sectile   
Not Available   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.06   
3.95-4.03   

Fracture
Sectile Curved shavings or scrapings produced by a knife blade, (e.g. graphite).   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
Perfect on {010}; poor on {100} and { 1 02}.   
None, but may exhibit parting   

Mohs Hardness
Not Available   
9   

Chemical Composition
Co3(AsO4)2•8(H2O)   
Al 2 O 3   

Optical Properties >>
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Erythrite and Sapphire Chemical Formula

While comparing Erythrite and Sapphire 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 Sapphire chemical formula.

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Erythrite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Erythrite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Erythrite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Erythrite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.

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