Vlasovite and Andradite Physical Properties

Vlasovite

Andradite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Nearly insoluble in HCl and HNO₃

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.973.70-4.10

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

Distinct on {010}

none

1.7 Mohs Hardness

66.5-7

2 10

1.8 Chemical Composition

Not Available

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Vlasovite and Andradite Chemical Formula

While comparing Vlasovite and Andradite 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 Andradite chemical formula.

Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Vlasovite and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vlasovite and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vlasovite and Andradite Optical Properties during the identification of gemstone. Specific gravity of Vlasovite is 3.70-4.10 whereas that of Andradite is 3.70-4.10.