Brookite and Fuchsite Physical Properties

Brookite

Fuchsite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.87-4.142.77-2.88

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

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

Perfect basal

1.7 Mohs Hardness

5.5-62.5

2 10

1.8 Chemical Composition

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

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

Brookite and Fuchsite Chemical Formula

While comparing Brookite and Fuchsite 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 Fuchsite chemical formula.

Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

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Brookite and Fuchsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Fuchsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Fuchsite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 2.77-2.88 whereas that of Fuchsite is 2.77-2.88.