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Pargasite
Pargasite

Steatite
Steatite



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Pargasite
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Steatite

Pargasite and Steatite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.04-3.262.20-2.80
Amber
1 7.18
1.5 Fracture
Splintery, Brittle, Uneven
Not Available
1.6 Cleavage
{110} perfect
Not Available
1.7 Mohs Hardness
5-6Not Available
Amber
2 10
1.8 Chemical Composition
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

Pargasite and Steatite Chemical Formula

While comparing Pargasite and Steatite 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 Steatite 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 Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

Pargasite and Steatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pargasite and Steatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pargasite and Steatite Optical Properties during the identification of gemstone. Specific gravity of Pargasite is 2.20-2.80 whereas that of Steatite is 2.20-2.80.