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Austinite
Austinite

Pearl
Pearl



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Austinite
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Pearl

Austinite and Pearl Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

Easily soluble in cold dilute HCl
-

Durability

-
-

Specific Gravity

4.122.60-2.85
1 7.18
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Fracture

Uneven
-

Cleavage

Good in two directions parallel to the prism faces {110}
none

Mohs Hardness

4-4.52.5-4.5
2 10
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Chemical Composition

CaZn(AsO4)(OH)
CaCO3

Austinite and Pearl Chemical Formula

While comparing Austinite and Pearl 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 Pearl chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Pearl- CaCO3

Austinite and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Pearl Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.60-2.85 whereas that of Pearl is 2.60-2.85.