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Mexican fire opal
Mexican fire opal

Brookite
Brookite



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Mexican fire opal
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Brookite

Mexican fire opal and Brookite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

-99993.87-4.14
1 7.18
👆🏻

Fracture

-
Subconchoidal, Conchoidal

Cleavage

None
Poor on {120}, in traces on {001}

Mohs Hardness

-99995.5-6
2 10
👆🏻

Chemical Composition

SiO2·nH2O
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mexican fire opal and Brookite Chemical Formula

While comparing Mexican fire opal 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 Mexican fire opal and Brookite chemical formula.

  • Chemical formula of Mexican fire opal- SiO2·nH2O
  • Chemical formula of Brookite- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mexican fire opal and Brookite Specific Gravity

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