Vlasovite and Amethyst Physical Properties

Vlasovite

Amethyst

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Nearly insoluble in HCl and HNO₃

insoluble in common solvents

1.3 Durability

Not Available

1.4 Specific Gravity

2.972.65

1 7.18

1.5 Fracture

Conchoidal, Brittle

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Distinct on {010}

Indiscernible

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Not Available

SiO₂

Vlasovite and Amethyst Chemical Formula

While comparing Vlasovite and Amethyst 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 Amethyst chemical formula.

Chemical formula of Amethyst- SiO₂

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Vlasovite and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vlasovite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vlasovite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Vlasovite is 2.65 whereas that of Amethyst is 2.65.