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Precious Opal
Precious Opal

Fire Agate
Fire Agate



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Precious Opal
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Fire Agate

Precious Opal and Fire Agate Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)
 
-
-
-
2.60-2.64
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO 2Arthur Thomas , Gemstones (2009)

Precious Opal and Fire Agate Chemical Formula

While comparing Precious Opal and Fire Agate 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 Precious Opal and Fire Agate chemical formula.

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Precious Opal and Fire Agate Specific Gravity

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