Fluorite and Tanzanite Physical Properties

Fluorite

Tanzanite

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Physical Properties

Tenacity

Brittle

Solubility

slightly water soluble and in hot hydrochloric acid

Durability

Hard

Specific Gravity

3.00-3.253.35

1 7.18

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Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann

Uneven, Conchoidal

Cleavage

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

Perfect {010}, imperfect {100}

Mohs Hardness

46.5-7

2 10

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Chemical Composition

CaF₂

Ca₂Al₃(SiO₄)₃(OH)

Fluorite and Tanzanite Chemical Formula

While comparing Fluorite 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 Fluorite and Tanzanite chemical formula.

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

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Fluorite and Tanzanite Specific Gravity

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