Rhodolite and Brookite Physical Properties

Rhodolite

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

3.843.87-4.14

1 7.18

1.5 Fracture

Conchoidal

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

1.6 Cleavage

none, may show indistinct parting

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

1.7 Mohs Hardness

7-7.55.5-6

2 10

1.8 Chemical Composition

(Mg,Fe)₃Al₂Si₃O₁₂

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

Rhodolite and Brookite Chemical Formula

While comparing Rhodolite 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 Rhodolite and Brookite chemical formula.

Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Rhodolite and Brookite Specific Gravity

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