Vesuvianite and Sard Physical Properties

Vesuvianite

Sard

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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

3.32-3.432.58-2.63

1 7.18

1.5 Fracture

Conchoidal, Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

6-76.5-7

2 10

1.8 Chemical Composition

Not Available

SiO 2Ulrich Henn and Claudio C.

Vesuvianite and Sard Chemical Formula

While comparing Vesuvianite and Sard 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 Sard chemical formula.

Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

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Vesuvianite and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vesuvianite and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite and Sard Optical Properties during the identification of gemstone. Specific gravity of Vesuvianite is 2.58-2.63 whereas that of Sard is 2.58-2.63.