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Pargasite
Pargasite

Calcite
Calcite



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Pargasite and Calcite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.04-3.26
2.67-2.73
1.5 Fracture
Splintery, Brittle, Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
{110} perfect
Perfect on [10 1 1] three directions with angle of 74° 55
1.7 Mohs Hardness
5-6
3
1.8 Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
CaCO 3Ulrich Henn and Claudio C.

Pargasite and Calcite Chemical Formula

While comparing Pargasite and Calcite 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 Calcite chemical formula.

  • Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

Pargasite and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Calcite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.67-2.73 whereas that of Calcite is 2.67-2.73.