Brookite and Halite Physical Properties

Brookite

Halite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Water-soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.87-4.142.17

1 7.18

1.5 Fracture

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

Conchoidal, Brittle, Metallic

1.6 Cleavage

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

Perfect {001}, three directions cubic

1.7 Mohs Hardness

5.5-62.0-2.5

2 10

1.8 Chemical Composition

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

NaCl

Brookite and Halite Chemical Formula

While comparing Brookite and Halite 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 Halite chemical formula.

Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Halite- NaCl

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Brookite and Halite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Halite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Halite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 2.17 whereas that of Halite is 2.17.