Vesuvianite and Apophyllite Physical Properties

Vesuvianite

Apophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Vesuvianite is virtually insolouble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.32-3.432.30-2.50

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Perfect on (001)

1.7 Mohs Hardness

6-74.5-5

2 10

1.8 Chemical Composition

Not Available

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Vesuvianite and Apophyllite Chemical Formula

While comparing Vesuvianite and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Vesuvianite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vesuvianite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Vesuvianite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.