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Pargasite
Pargasite

Lawsonite
Lawsonite



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Pargasite
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Lawsonite

Pargasite and Lawsonite Physical Properties

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
3.04-3.26
3.09
1.5 Fracture
Splintery, Brittle, Uneven
White, Yellow, Pale blue, Brittle, Uneven
1.6 Cleavage
{110} perfect
Perfect on {100} and {010}, imperfect on {101}
1.7 Mohs Hardness
5-6
8
1.8 Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Pargasite and Lawsonite Chemical Formula

While comparing Pargasite and Lawsonite 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 Lawsonite 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 Lawsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Lawsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Lawsonite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 3.09 whereas that of Lawsonite is 3.09.