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Austinite
Austinite

Feldspar
Feldspar



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Austinite
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Feldspar

Austinite and Feldspar Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Easily soluble in cold dilute HCl
-

Durability

-
-

Specific Gravity

4.122.56-2.75
1 7.18
👆🏻

Fracture

Uneven
Uneven, Conchoidal

Cleavage

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

Mohs Hardness

4-4.56-6.5
2 10
👆🏻

Chemical Composition

CaZn(AsO4)(OH)
KAlSi3O8

Austinite and Feldspar Chemical Formula

While comparing Austinite and Feldspar 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 Feldspar chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Feldspar- KAlSi3O8

Austinite and Feldspar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Feldspar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Feldspar Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.56-2.75 whereas that of Feldspar is 2.56-2.75.