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Pleonast
Pleonast

Austinite
Austinite



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Pleonast
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Austinite

Pleonast and Austinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Easily soluble in cold dilute HCl

Durability

-
-

Specific Gravity

-99994.12
1 7.18
👆🏻

Fracture

-
Uneven

Cleavage

Perfect
Good in two directions parallel to the prism faces {110}

Mohs Hardness

-99994-4.5
2 10
👆🏻

Chemical Composition

MgAl2O4
CaZn(AsO4)(OH)

Pleonast and Austinite Chemical Formula

While comparing Pleonast and Austinite 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 Pleonast and Austinite chemical formula.

  • Chemical formula of Pleonast- MgAl2O4
  • Chemical formula of Austinite- CaZn(AsO4)(OH)

Pleonast and Austinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonast and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonast and Austinite Optical Properties during the identification of gemstone. Specific gravity of Pleonast is 4.12 whereas that of Austinite is 4.12.