Andradite and Vesuvianite Physical Properties

Andradite

Vesuvianite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Vesuvianite is virtually insolouble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.103.32-3.43

1 7.18

1.5 Fracture

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Brittle

1.6 Cleavage

none

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

1.7 Mohs Hardness

6.5-76-7

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Not Available

Andradite and Vesuvianite Chemical Formula

While comparing Andradite 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 Andradite and Vesuvianite chemical formula.

Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

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Andradite and Vesuvianite Specific Gravity

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