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Polyhalite and Bytownite Physical Properties


Bytownite and Polyhalite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.78   
2.72-2.75   

Fracture
Conchoidal, Brittle   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
Perfect on {10 1 }; parting on {010}   
Perfect on [001], good on [010], imperfect on [110]   

Mohs Hardness
3.5   
6-6.5   

Chemical Composition
Not Available   
Ca(70-90%)Na(30-10%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Polyhalite and Bytownite Chemical Formula

While comparing Polyhalite and Bytownite 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 Polyhalite and Bytownite chemical formula.

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Polyhalite and Bytownite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Bytownite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Bytownite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 2.72-2.75 whereas that of Bytownite is 2.72-2.75.

Red Gemstones

Red Gemstones


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