Austinite and Pargasite Physical Properties

Austinite

Pargasite

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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

1.4 Specific Gravity

4.123.04-3.26

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

2 10

1.8 Chemical Composition

CaZn(AsO4)(OH)

NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael OâDonoghue , 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 OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Austinite Vs Cordierite

Austinite Vs Clintonite

Austinite Vs Apophyllite KF

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.