Brookite and Prasiolite Physical Properties

Brookite

Prasiolite

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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

3.87-4.142.65

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

3,1

1.7 Mohs Hardness

5.5-67

2 10

1.8 Chemical Composition

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

SiO 2Ulrich Henn and Claudio C.

Brookite and Prasiolite Chemical Formula

While comparing Brookite and Prasiolite 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 Brookite and Prasiolite chemical formula.

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

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Brookite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 2.65 whereas that of Prasiolite is 2.65.