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Fire Opal
Fire Opal

Pyrite
Pyrite



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Fire Opal
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Pyrite

Fire Opal and Pyrite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.97-2.22
Conchoidal
None
6-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
 
Brittle
insoluble in water
-
5.00-5.20
Uneven, Conchoidal, ConchoidalWalter Schumann
Indistinct on {001}; partings on {011} and {111}
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Fire Opal and Pyrite Chemical Formula

While comparing Fire Opal and Pyrite 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 Fire Opal and Pyrite chemical formula.

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Fire Opal and Pyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fire Opal and Pyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fire Opal Vs Pyrite during the identification of gemstone. Specific gravity of Fire Opal is whereas that of Pyrite is .