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Bytownite
Bytownite

Variscite
Variscite



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Bytownite
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Variscite

Bytownite and Variscite 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)
 
-
-
-
2.42-2.58
Conchoidal, Splintery, ConchoidalWalter Schumann
[010] perfect
4-5
AlPO4 · 2(H2O)

Bytownite and Variscite Chemical Formula

While comparing Bytownite and Variscite 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 Variscite chemical formula.

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Bytownite and Variscite Specific Gravity

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