Tanzanite and Omphacite Physical Properties

Tanzanite

Omphacite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Hard

3.35

Uneven, Conchoidal

Perfect {010}, imperfect {100}

6.5-7

Ca₂Al₃(SiO₄)₃(OH)

3.16-3.43

Uneven, Conchoidal

{110} Good, {110} Good

5-6

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Tanzanite and Omphacite Chemical Formula

While comparing Tanzanite and Omphacite 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 Omphacite chemical formula.

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Tanzanite and Omphacite Specific Gravity

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