Brookite and Johachidolite Physical Properties

Brookite

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

3.87-4.143.45

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Not Available

1.6 Cleavage

Poor on {120}, in traces on {001}

None

1.7 Mohs Hardness

5.5-67.5

2 10

1.8 Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Brookite and Johachidolite Chemical Formula

While comparing Brookite 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 Brookite and Johachidolite chemical formula.

Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Johachidolite- CaAlB 3O 7Michael OâDonoghue , Gems, Sixth Edition (2006)

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Brookite and Johachidolite Specific Gravity

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