Kyanite and Johachidolite Physical Properties

Kyanite

Johachidolite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.653.45

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Not Available

1.6 Cleavage

[100] perfect [010] imperfect with 79° angle between

None

1.7 Mohs Hardness

4-77.5

2 10

1.8 Chemical Composition

Not Available

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

Kyanite and Johachidolite Chemical Formula

While comparing Kyanite 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 Kyanite and Johachidolite chemical formula.

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

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Kyanite and Johachidolite Specific Gravity

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