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Langbeinite
Langbeinite

Pargasite
Pargasite



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Langbeinite
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Pargasite

Langbeinite and Pargasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Slowly dissolves in water
-
-9999
Conchoidal
None
3.5-4
K2Mg2(SO4)3
 
-
-
-
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)

Langbeinite and Pargasite Chemical Formula

While comparing Langbeinite and Pargasite 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 Langbeinite and Pargasite chemical formula.

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Langbeinite and Pargasite Specific Gravity

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