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Austinite
Austinite

Apophyllite
Apophyllite



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Austinite
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Apophyllite

Austinite and Apophyllite Physical Properties

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
Not Available
1.4 Specific Gravity
4.122.30-2.50
Amber
1 7.18
1.5 Fracture
Brittle, Uneven, Brittle, Uneven
Uneven, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
Good in two directions parallel to the prism faces {110}
Perfect on (001)
1.7 Mohs Hardness
4-4.54.5-5
Amber
2 10
1.8 Chemical Composition
CaZn(AsO4)(OH)
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Austinite and Apophyllite Chemical Formula

While comparing Austinite and Apophyllite 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 Apophyllite chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Austinite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.