Tanzanite and Fluorite Physical Properties

Tanzanite

Fluorite

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Physical Properties

Tenacity

Brittle

Solubility

slightly water soluble and in hot hydrochloric acid

Durability

Hard

Specific Gravity

3.353.00-3.25

1 7.18

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Fracture

Uneven, Conchoidal

Subconchoidal, Uneven, ConchoidalWalter Schumann

Cleavage

Perfect {010}, imperfect {100}

Octahedral, perfect on {111}, parting on {011}

Mohs Hardness

6.5-74

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

CaF₂

Tanzanite and Fluorite Chemical Formula

While comparing Tanzanite and Fluorite 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 Tanzanite and Fluorite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Fluorite- CaF₂

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Tanzanite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.