Cryolite and Brookite Physical Properties

Cryolite

Brookite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.973.87-4.14

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

None observed

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

1.7 Mohs Hardness

2.55.5-6

2 10

1.8 Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.

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

Cryolite and Brookite Chemical Formula

While comparing Cryolite 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 Cryolite and Brookite chemical formula.

Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cryolite and Brookite Specific Gravity

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