Vlasovite and Andalusite Physical Properties

Vlasovite

Andalusite

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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

2.973.05-3.21

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Distinct on {010}

Good on {110}, poor on {100}

1.7 Mohs Hardness

67.5

2 10

1.8 Chemical Composition

Not Available

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Vlasovite and Andalusite Chemical Formula

While comparing Vlasovite and Andalusite 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 Andalusite chemical formula.

Chemical formula of Andalusite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Vlasovite and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vlasovite and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vlasovite and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Vlasovite is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.