Thulite and Vishnevite Physical Properties

Thulite

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

3.1Not Available

1 7.18

1.5 Fracture

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

Brittle, Uneven

1.6 Cleavage

Perfect {010} imperfect {100}

Perfect

1.7 Mohs Hardness

6-75-6

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Not Available

Thulite and Vishnevite Chemical Formula

While comparing Thulite 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 Thulite and Vishnevite chemical formula.

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

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Thulite and Vishnevite Specific Gravity

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