Hurlbutite and Brookite Physical Properties

Hurlbutite

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

2.903.87-4.14

1 7.18

1.5 Fracture

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

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

1.6 Cleavage

None

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

1.7 Mohs Hardness

65.5-6

2 10

1.8 Chemical Composition

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Hurlbutite and Brookite Chemical Formula

While comparing Hurlbutite 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 Hurlbutite and Brookite chemical formula.

Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Hurlbutite and Brookite Specific Gravity

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