Rhyolite and Brookite Physical Properties

Rhyolite

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

Not Available3.87-4.14

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

75.5-6

2 10

1.8 Chemical Composition

Not Available

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

Rhyolite and Brookite Chemical Formula

While comparing Rhyolite 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 Rhyolite and Brookite chemical formula.

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

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Rhyolite and Brookite Specific Gravity

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