Chalcedony and Vlasovite Physical Properties

Chalcedony

Vlasovite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Soluble

Nearly insoluble in HCl and HNO₃

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.702.97

1 7.18

1.5 Fracture

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

Conchoidal, Brittle

1.6 Cleavage

Absent

Distinct on {010}

1.7 Mohs Hardness

6.5-76

2 10

1.8 Chemical Composition

SiO₂

Not Available

Chalcedony and Vlasovite Chemical Formula

While comparing Chalcedony 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 Chalcedony and Vlasovite chemical formula.

Chemical formula of Chalcedony- SiO₂

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Chalcedony and Vlasovite Specific Gravity

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