Pietersite and Brookite Physical Properties

Pietersite

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

Not Available3.87-4.14

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

55.5-6

2 10

1.8 Chemical Composition

Not Available

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

Pietersite and Brookite Chemical Formula

While comparing Pietersite 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 Pietersite and Brookite chemical formula.

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

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Pietersite and Brookite Specific Gravity

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