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Beryllonite
Beryllonite

Vishnevite
Vishnevite



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Beryllonite
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Vishnevite

Beryllonite and Vishnevite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.79-2.87-9999
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Perfect

Mohs Hardness

5.5-65-6
2 10
👆🏻

Chemical Composition

NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
-

Beryllonite and Vishnevite Chemical Formula

While comparing Beryllonite and Vishnevite 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 Vishnevite chemical formula.

  • Chemical formula of Beryllonite- NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Vishnevite- -

Beryllonite and Vishnevite Specific Gravity

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