Vlasovite and Thulite Physical Properties

Vlasovite

Thulite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Nearly insoluble in HCl and HNO₃

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.973.1

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Distinct on {010}

Perfect {010} imperfect {100}

1.7 Mohs Hardness

66-7

2 10

1.8 Chemical Composition

Not Available

Ca₂Al₃(SiO₄)₃(OH)

Vlasovite and Thulite Chemical Formula

While comparing Vlasovite and Thulite 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 Vlasovite and Thulite chemical formula.

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

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Vlasovite and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vlasovite and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vlasovite and Thulite Optical Properties during the identification of gemstone. Specific gravity of Vlasovite is 3.1 whereas that of Thulite is 3.1.