Tanzanite and Johachidolite Physical Properties

Tanzanite

Johachidolite

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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

3.353.45

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect {010}, imperfect {100}

None

1.7 Mohs Hardness

6.5-77.5

2 10

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

CaAlB 3O 7Michael OâDonoghue , Gems, Sixth Edition (2006)

Tanzanite and Johachidolite Chemical Formula

While comparing Tanzanite and Johachidolite 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 Johachidolite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Johachidolite- CaAlB 3O 7Michael OâDonoghue , Gems, Sixth Edition (2006)

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Tanzanite and Johachidolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Johachidolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Johachidolite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 3.45 whereas that of Johachidolite is 3.45.