Vesuvianite and Andradite Physical Properties

Vesuvianite

Andradite

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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

3.32-3.433.70-4.10

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

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

none

1.7 Mohs Hardness

6-76.5-7

2 10

1.8 Chemical Composition

Not Available

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

Vesuvianite and Andradite Chemical Formula

While comparing Vesuvianite and Andradite 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 Andradite chemical formula.

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

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Vesuvianite and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vesuvianite and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite and Andradite Optical Properties during the identification of gemstone. Specific gravity of Vesuvianite is 3.70-4.10 whereas that of Andradite is 3.70-4.10.