Vishnevite and Variscite Physical Properties

Vishnevite

Variscite

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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

Not Available2.42-2.58

1 7.18

1.5 Fracture

Brittle, Uneven

Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

Perfect

[010] perfect

1.7 Mohs Hardness

5-64-5

2 10

1.8 Chemical Composition

Not Available

AlPO₄ · 2(H₂O)

Vishnevite and Variscite Chemical Formula

While comparing Vishnevite 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 Vishnevite and Variscite chemical formula.

Chemical formula of Variscite- AlPO₄ · 2(H₂O)

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Vishnevite and Variscite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Variscite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Variscite Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 2.42-2.58 whereas that of Variscite is 2.42-2.58.