Amethyst and Vesuvianite Physical Properties

Amethyst

Vesuvianite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble in common solvents

Vesuvianite is virtually insolouble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.653.32-3.43

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

Indiscernible

Poor on {110} and {100} very poor on {001}

1.7 Mohs Hardness

76-7

2 10

1.8 Chemical Composition

SiO₂

Not Available

Amethyst and Vesuvianite Chemical Formula

While comparing Amethyst and Vesuvianite 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 Amethyst and Vesuvianite chemical formula.

Chemical formula of Amethyst- SiO₂

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Amethyst and Vesuvianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Vesuvianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Vesuvianite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 3.32-3.43 whereas that of Vesuvianite is 3.32-3.43.