Pezzottaite and Vlasovite Physical Properties

Pezzottaite

Vlasovite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Nearly insoluble in HCl and HNO₃

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.142.97

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

Imperfect; basal

Distinct on {010}

1.7 Mohs Hardness

7.5-86

2 10

1.8 Chemical Composition

(Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

Not Available

Pezzottaite and Vlasovite Chemical Formula

While comparing Pezzottaite and Vlasovite 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 Pezzottaite and Vlasovite chemical formula.

Chemical formula of Pezzottaite- (Be,Cs) 3Al 2Si 6O 18 · 0.5H 2OUlrich Henn and Claudio C.

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Pezzottaite and Vlasovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pezzottaite and Vlasovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pezzottaite and Vlasovite Optical Properties during the identification of gemstone. Specific gravity of Pezzottaite is 2.97 whereas that of Vlasovite is 2.97.