Vesuvianite and Kyanite Physical Properties

Vesuvianite

Kyanite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Vesuvianite is virtually insolouble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.32-3.433.53-3.65

1 7.18

1.5 Fracture

Conchoidal, Brittle

Splintery, Brittle, Metallic

1.6 Cleavage

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

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

6-74-7

2 10

1.8 Chemical Composition

Not Available

Vesuvianite and Kyanite Chemical Formula

While comparing Vesuvianite and Kyanite 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 Vesuvianite and Kyanite chemical formula.

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Vesuvianite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vesuvianite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Vesuvianite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.