Vishnevite and Zoisite Physical Properties

Vishnevite

Zoisite

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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 Available3.20-3.50

1 7.18

1.5 Fracture

Brittle, Uneven

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Even

1.6 Cleavage

Perfect

Perfect {010} imperfect {100}

1.7 Mohs Hardness

5-66-7

2 10

1.8 Chemical Composition

Not Available

Ca₂Al₃(SiO₄)₃(OH)

Vishnevite and Zoisite Chemical Formula

While comparing Vishnevite and Zoisite 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 Zoisite chemical formula.

Chemical formula of Zoisite- Ca₂Al₃(SiO₄)₃(OH)

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Vishnevite and Zoisite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Zoisite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Zoisite Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 3.20-3.50 whereas that of Zoisite is 3.20-3.50.