Obsidian and Vlasovite Physical Properties

Obsidian

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

2.35-2.602.97

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Conchoidal

Conchoidal, Brittle

1.6 Cleavage

Not Available

Distinct on {010}

1.7 Mohs Hardness

5-5.56

2 10

1.8 Chemical Composition

Not Available

Obsidian and Vlasovite Chemical Formula

While comparing Obsidian 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 Obsidian and Vlasovite chemical formula.

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Obsidian and Vlasovite Specific Gravity

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