Vesuvianite and Tanzanite Physical Properties

Vesuvianite

Tanzanite

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Physical Properties

Tenacity

Solubility

Durability

Hard

Specific Gravity

3.32-3.433.35

1 7.18

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Fracture

Conchoidal

Uneven, Conchoidal

Cleavage

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

Perfect {010}, imperfect {100}

Mohs Hardness

6-76.5-7

2 10

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Chemical Composition

Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4

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 Vesuvianite- Ca10(Mg,Fe)2Al4(SiO4)5(Si2O7)2(OH)4
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.