Bertrandite and Vishnevite Physical Properties

Bertrandite

Vishnevite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.59-2.60Not Available

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Brittle, Uneven

1.6 Cleavage

{001} Perfect, {110} Distinct, {101} Distinct

Perfect

1.7 Mohs Hardness

6-75-6

2 10

1.8 Chemical Composition

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Not Available

Bertrandite and Vishnevite Chemical Formula

While comparing Bertrandite 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 Bertrandite and Vishnevite chemical formula.

Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Bertrandite and Vishnevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bertrandite and Vishnevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bertrandite and Vishnevite Optical Properties during the identification of gemstone. Specific gravity of Bertrandite is Not Available whereas that of Vishnevite is Not Available.