Brookite and Hauyne Physical Properties

Brookite

Hauyne

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Gelatinises in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.87-4.142.4-2.5

1 7.18

1.5 Fracture

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

Uneven, Conchoidal, Brittle

1.6 Cleavage

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

Distinct on {110}

1.7 Mohs Hardness

5.5-65-6

2 10

1.8 Chemical Composition

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

(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

Brookite and Hauyne Chemical Formula

While comparing Brookite and Hauyne 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 Hauyne chemical formula.

Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

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Brookite and Hauyne Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Hauyne Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Hauyne Optical Properties during the identification of gemstone. Specific gravity of Brookite is 2.4-2.5 whereas that of Hauyne is 2.4-2.5.