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Pargasite
Pargasite

Jacobsite
Jacobsite



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Pargasite
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Jacobsite

Pargasite and Jacobsite 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)
 
-
-
-
4.76-5.03
Conchoidal
None
5.5-6.5
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Pargasite and Jacobsite Chemical Formula

While comparing Pargasite and Jacobsite 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 Jacobsite chemical formula.

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Pargasite and Jacobsite Specific Gravity

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