Prasiolite and Brookite Physical Properties

Prasiolite

Brookite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.653.87-4.14

1 7.18

1.5 Fracture

Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

3,1

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

1.7 Mohs Hardness

75.5-6

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

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

Prasiolite and Brookite Chemical Formula

While comparing Prasiolite 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 Prasiolite and Brookite chemical formula.

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

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Prasiolite and Brookite Specific Gravity

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