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Austinite
Austinite

Topazolite
Topazolite



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Austinite
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Topazolite

Austinite and Topazolite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Easily soluble in cold dilute HCl
-

Durability

-
-

Specific Gravity

4.123.70-4.10
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

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

Mohs Hardness

4-4.56.5-7
2 10
👆🏻

Chemical Composition

CaZn(AsO4)(OH)
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Austinite and Topazolite Chemical Formula

While comparing Austinite and Topazolite 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 Topazolite chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Topazolite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Austinite and Topazolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Topazolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Topazolite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 3.70-4.10 whereas that of Topazolite is 3.70-4.10.