Brookite and Prase Physical Properties

Brookite

Prase

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.87-4.142.64-2.69

1 7.18

1.5 Fracture

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

Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)

1.6 Cleavage

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

Not Available

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 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Brookite and Prase Chemical Formula

While comparing Brookite and Prase 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 Prase chemical formula.

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

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Brookite and Prase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Prase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Prase Optical Properties during the identification of gemstone. Specific gravity of Brookite is 2.64-2.69 whereas that of Prase is 2.64-2.69.