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Pargasite
Pargasite

Leucite
Leucite



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Pargasite
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Leucite

Pargasite and Leucite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.04-3.262.45-2.50
Amber
1 7.18
1.5 Fracture
Splintery, Brittle, Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
{110} perfect
Poor on {110}
1.7 Mohs Hardness
5-65.5-6
Amber
2 10
1.8 Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
KAlSi 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Pargasite and Leucite Chemical Formula

While comparing Pargasite and Leucite 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 Leucite 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 Leucite- KAlSi 2O 6Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Pargasite and Leucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Leucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Leucite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.45-2.50 whereas that of Leucite is 2.45-2.50.