Chrysoberyl and Brookite Physical Properties

Chrysoberyl

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

3.69-3.813.87-4.14

1 7.18

1.5 Fracture

Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic

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

1.6 Cleavage

Distinct on {110}, imperfect on {010}, poor on {001}

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

1.7 Mohs Hardness

8.55.5-6

2 10

1.8 Chemical Composition

BeAl ₂ O ₄

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

Chrysoberyl and Brookite Chemical Formula

While comparing Chrysoberyl 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 Chrysoberyl and Brookite chemical formula.

Chemical formula of Chrysoberyl- BeAl ₂ O ₄
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Chrysoberyl and Brookite Specific Gravity

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