Dolomite and Brookite Physical Properties

Dolomite

Brookite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Poorly soluble in dilute HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-2.953.87-4.14

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on {10 1 1}, rhombohedral cleavage

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

1.7 Mohs Hardness

3.5-45.5-6

2 10

1.8 Chemical Composition

CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Dolomite and Brookite Chemical Formula

While comparing Dolomite 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 Dolomite and Brookite chemical formula.

Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Dolomite and Brookite Specific Gravity

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