Tanzanite and Richterite Physical Properties

Tanzanite

Richterite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

3.353.0-3.5

1 7.18

1.5 Fracture

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

Uneven, Brittle

1.6 Cleavage

Perfect {010}, imperfect {100}

Perfect

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Not Available

Tanzanite and Richterite Chemical Formula

While comparing Tanzanite and Richterite 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 Richterite chemical formula.

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

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Tanzanite and Richterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Richterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Richterite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.0-3.5 whereas that of Richterite is 3.0-3.5.