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Beryllonite
Beryllonite

Topaz
Topaz



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Beryllonite
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Topaz

Beryllonite and Topaz Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.79-2.87
Conchoidal
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
5.5-6
NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
3.49-3.57
Subconchoidal, Uneven, Conchoidal
[001] Perfect
8
Al2SiO4(F,OH)2

Beryllonite and Topaz Chemical Formula

While comparing Beryllonite and Topaz 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 Beryllonite and Topaz chemical formula.

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Beryllonite and Topaz Specific Gravity

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