Vesuvianite and Anorthite Physical Properties

Vesuvianite

Anorthite

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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

3.32-3.432.77

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

Perfect [001] good [010] poor [110]

1.7 Mohs Hardness

6-76-6.5

2 10

1.8 Chemical Composition

Not Available

CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Vesuvianite and Anorthite Chemical Formula

While comparing Vesuvianite and Anorthite 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 Anorthite chemical formula.

Chemical formula of Anorthite- CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Vesuvianite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vesuvianite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Vesuvianite is 2.77 whereas that of Anorthite is 2.77.