Vlasovite and Grandidierite Physical Properties

Vlasovite

Grandidierite

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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

2.972.85-3.00

1 7.18

1.5 Fracture

Conchoidal, Brittle

Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

Distinct on {010}

Perfect

1.7 Mohs Hardness

67.5

2 10

1.8 Chemical Composition

Not Available

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Vlasovite and Grandidierite Chemical Formula

While comparing Vlasovite and Grandidierite 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 Grandidierite chemical formula.

Chemical formula of Grandidierite- (Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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Vlasovite and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vlasovite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vlasovite and Grandidierite Optical Properties during the identification of gemstone. Specific gravity of Vlasovite is 2.85-3.00 whereas that of Grandidierite is 2.85-3.00.