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Pargasite
Pargasite

Gahnospinel
Gahnospinel



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Pargasite
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Gahnospinel

Pargasite and Gahnospinel 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)
 
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-
-
3.65-4.55
Conchoidal
None, but may exhibit slight parting
7.5-8
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Pargasite and Gahnospinel Chemical Formula

While comparing Pargasite and Gahnospinel 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 Gahnospinel chemical formula.

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Pargasite and Gahnospinel Specific Gravity

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