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Fire Opal
Fire Opal

Hackmanite
Hackmanite



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Fire Opal
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Hackmanite

Fire Opal and Hackmanite Physical Properties

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
 
-
-
-
2.27-2.33
-
Perfect
5.5-6
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Fire Opal and Hackmanite Chemical Formula

While comparing Fire Opal and Hackmanite 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 Hackmanite chemical formula.

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Fire Opal and Hackmanite Specific Gravity

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