Dioptase and Vlasovite Physical Properties

Dioptase

Vlasovite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Nearly insoluble in HCl and HNO₃

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.352.97

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Conchoidal, Brittle

1.6 Cleavage

Perfect in three directions

Distinct on {010}

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Not Available

Dioptase and Vlasovite Chemical Formula

While comparing Dioptase 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 Dioptase and Vlasovite chemical formula.

Chemical formula of Dioptase- CuSiO 2(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Dioptase and Vlasovite Specific Gravity

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