Chiastolite and Brookite Physical Properties

Chiastolite

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

3.00-3.153.87-4.14

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

5-5.55.5-6

2 10

1.8 Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)

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

Chiastolite and Brookite Chemical Formula

While comparing Chiastolite 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 Chiastolite and Brookite chemical formula.

Chemical formula of Chiastolite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chiastolite and Brookite Specific Gravity

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