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Austinite
Austinite

Pargasite
Pargasite



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Austinite
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Pargasite

Austinite and Pargasite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Easily soluble in cold dilute HCl
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.123.04-3.26
Amber
1 7.18
1.5 Fracture
Brittle, Uneven, Brittle, Uneven
Splintery, Brittle, Uneven
1.6 Cleavage
Good in two directions parallel to the prism faces {110}
{110} perfect
1.7 Mohs Hardness
4-4.55-6
Amber
2 10
1.8 Chemical Composition
CaZn(AsO4)(OH)
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Austinite and Pargasite Chemical Formula

While comparing Austinite and Pargasite 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 Austinite and Pargasite chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Pargasite- NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Austinite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.