Vesuvianite and Tanzanite Physical Properties

Vesuvianite

Tanzanite

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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

Hard

1.4 Specific Gravity

3.32-3.433.35

1 7.18

1.5 Fracture

Conchoidal, Brittle

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

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

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

6-76.5-7

2 10

1.8 Chemical Composition

Not Available

Ca₂Al₃(SiO₄)₃(OH)

Vesuvianite and Tanzanite Chemical Formula

While comparing Vesuvianite and Tanzanite 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 Tanzanite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Vesuvianite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vesuvianite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Vesuvianite is 3.35 whereas that of Tanzanite is 3.35.