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Bytownite
Bytownite

Erythrite
Erythrite



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Bytownite
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Erythrite

Bytownite and Erythrite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.72-2.75
Uneven
Perfect on [001], good on [010], imperfect on [110]
6-6.5
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Sectile
-
-
3.06
Sectile
Perfect on {010}; poor on {100} and { 1 02}.
-9999
Co3(AsO4)2•8(H2O)

Bytownite and Erythrite Chemical Formula

While comparing Bytownite 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 Bytownite and Erythrite chemical formula.

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Bytownite and Erythrite Specific Gravity

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