Barite and Brookite Physical Properties

Barite

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

4.483.87-4.14

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

{010} Perfect, {210} Perfect, {010} Imperfect

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

1.7 Mohs Hardness

3-3.55.5-6

2 10

1.8 Chemical Composition

BaSO4

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

Barite and Brookite Chemical Formula

While comparing Barite 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 Barite and Brookite chemical formula.

Chemical formula of Barite- BaSO4
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Barite and Brookite Specific Gravity

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