Larvikite and Tanzanite Physical Properties

Larvikite

Tanzanite

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Physical Properties

Tenacity

Solubility

Durability

Hard

Specific Gravity

2.593.35

1 7.18

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Fracture

Uneven, Conchoidal

Cleavage

None

Perfect {010}, imperfect {100}

Mohs Hardness

6-6.56.5-7

2 10

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Chemical Composition

(Na,Ca)2(Fe2+,Mg)3Si3O10

Ca₂Al₃(SiO₄)₃(OH)

Larvikite and Tanzanite Chemical Formula

While comparing Larvikite 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 Larvikite and Tanzanite chemical formula.

Chemical formula of Larvikite- (Na,Ca)2(Fe2+,Mg)3Si3O10
Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)

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Larvikite and Tanzanite Specific Gravity

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