Coral and Brookite Physical Properties

Coral

Brookite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.70

3.87-4.14

1.5 Fracture

Irregular, Irregular, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

3-4

5.5-6

1.8 Chemical Composition

CaCO 3Ulrich Henn and Claudio C.

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

Coral and Brookite Chemical Formula

While comparing Coral and Brookite 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 Coral and Brookite chemical formula.

Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Coral and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Coral and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Coral and Brookite Optical Properties during the identification of gemstone. Specific gravity of Coral is 3.87-4.14 whereas that of Brookite is 3.87-4.14.