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Pargasite
Pargasite

Precious Opal
Precious Opal



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Pargasite
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Precious Opal

Pargasite and Precious Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.04-3.26
Splintery, Uneven
{110} perfect
5-6
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)

Pargasite and Precious Opal Chemical Formula

While comparing Pargasite and Precious Opal 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 Pargasite and Precious Opal chemical formula.

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Pargasite and Precious Opal Specific Gravity

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