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Mexican fire opal
Mexican fire opal

Bustamite
Bustamite



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Mexican fire opal
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Bustamite

Mexican fire opal and Bustamite Physical Properties

Physical Properties

Tenacity

-
-

Solubility

-
Partly soluble in HCl.

Durability

-
-

Specific Gravity

-99993.32-3.43
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

None
{100} perfect; {110} and {1 1 0} good; {010} poor

Mohs Hardness

-99995.5-6
2 10
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Chemical Composition

SiO2·nH2O
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mexican fire opal and Bustamite Chemical Formula

While comparing Mexican fire opal and Bustamite 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 Bustamite chemical formula.

  • Chemical formula of Mexican fire opal- SiO2·nH2O
  • Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mexican fire opal and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mexican fire opal and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mexican fire opal and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Mexican fire opal is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.