Beryllonite and Vishnevite Physical Properties

Beryllonite

Vishnevite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.79-2.87Not Available

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Brittle, Uneven

1.6 Cleavage

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

Perfect

1.7 Mohs Hardness

5.5-65-6

2 10

1.8 Chemical Composition

NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

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 OâDonoghue , Gems, Sixth Edition (2006) More from other references

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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 Not Available whereas that of Vishnevite is Not Available.