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Austinite
Austinite

Topaz
Topaz



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Austinite
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Topaz

Austinite and Topaz Physical Properties

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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
4.123.49-3.57
Amber
1 7.18
1.5 Fracture
Brittle, Uneven, Brittle, Uneven
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
1.6 Cleavage
Good in two directions parallel to the prism faces {110}
[001] Perfect
1.7 Mohs Hardness
4-4.58
Amber
2 10
1.8 Chemical Composition
CaZn(AsO4)(OH)
Al2SiO4(F,OH)2

Austinite and Topaz Chemical Formula

While comparing Austinite and Topaz 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 Topaz chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Topaz- Al2SiO4(F,OH)2

Austinite and Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Topaz Optical Properties during the identification of gemstone. Specific gravity of Austinite is 3.49-3.57 whereas that of Topaz is 3.49-3.57.