Faustite and Brookite Physical Properties

Faustite

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

2.93.87-4.14

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal

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

1.6 Cleavage

{???} Indistinct

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

1.7 Mohs Hardness

4.55.5-6

2 10

1.8 Chemical Composition

(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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

Faustite and Brookite Chemical Formula

While comparing Faustite 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 Faustite and Brookite chemical formula.

Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Faustite and Brookite Specific Gravity

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