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Adularia
Adularia

Austinite
Austinite



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Adularia
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Adularia and Austinite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.3 Solubility
Not Available
Easily soluble in cold dilute HCl
1.5 Durability
Not Available
Not Available
1.7 Specific Gravity
2.54-2.61
4.12
1.11 Fracture
Not Available
Brittle, Uneven, Brittle, Uneven
1.12 Cleavage
Not Available
Good in two directions parallel to the prism faces {110}
1.14 Mohs Hardness
6
4-4.5
1.17 Chemical Composition
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
CaZn(AsO4)(OH)

Adularia and Austinite Chemical Formula

While comparing Adularia 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 Adularia and Austinite chemical formula.

  • Chemical formula of Adularia- KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Austinite- CaZn(AsO4)(OH)

Adularia and Austinite Specific Gravity

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

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