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Precious Opal
Precious Opal

Phosgenite
Phosgenite



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Precious Opal
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Phosgenite

Precious Opal and Phosgenite 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)
 
Sectile
Soluble
-
6.13
Conchoidal
Distinct on {001} and {110}, indistinct on {100}
2-3
Pb 2(CO 3)Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Precious Opal and Phosgenite Chemical Formula

While comparing Precious Opal and Phosgenite 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 Phosgenite chemical formula.

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Precious Opal and Phosgenite Specific Gravity

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