Cacoxenite and Brookite Physical Properties

Cacoxenite

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

2.2-2.63.87-4.14

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

3-45.5-6

2 10

1.8 Chemical Composition

(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

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

Cacoxenite and Brookite Chemical Formula

While comparing Cacoxenite 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 Cacoxenite and Brookite chemical formula.

Chemical formula of Cacoxenite- (Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

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Cacoxenite and Brookite Specific Gravity

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