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Pargasite
Pargasite

Pyrite Marcasite
Pyrite Marcasite



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Pargasite
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Pyrite Marcasite

Pargasite and Pyrite Marcasite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
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1.3 Durability
Not Available
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1.4 Specific Gravity
3.04-3.264.9-5.2
Amber
1 7.18
1.5 Fracture
Splintery, Brittle, Uneven
Not Available
1.6 Cleavage
{110} perfect
None
1.7 Mohs Hardness
5-66-6.5
Amber
2 10
1.8 Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Pargasite and Pyrite Marcasite Chemical Formula

While comparing Pargasite and Pyrite Marcasite 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 Pyrite Marcasite chemical formula.

  • Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
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Pargasite and Pyrite Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Pyrite Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Pyrite Marcasite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 4.9-5.2 whereas that of Pyrite Marcasite is 4.9-5.2.