Diaspore and Brookite Physical Properties

Diaspore

Brookite

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1 Physical Properties

1.1 Tenacity

Very brittle

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.403.87-4.14

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

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

1.6 Cleavage

{010} perfect, {110} distinct, {100} in traces

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

1.7 Mohs Hardness

6.5-75.5-6

2 10

1.8 Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

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

Diaspore and Brookite Chemical Formula

While comparing Diaspore 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 Diaspore and Brookite chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Diaspore and Brookite Specific Gravity

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