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Fire Opal
Fire Opal

Oligoclase
Oligoclase



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Fire Opal
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Oligoclase

Fire Opal and Oligoclase 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
 
-
-
-
2.62-2.67
Uneven
From the Greek, oligos and kasein, little cleavage.
6-6.5
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Fire Opal and Oligoclase Chemical Formula

While comparing Fire Opal and Oligoclase 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 Oligoclase chemical formula.

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Fire Opal and Oligoclase Specific Gravity

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