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Topazolite
Topazolite

Austinite
Austinite



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Topazolite
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Austinite

Topazolite and Austinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Easily soluble in cold dilute HCl

Durability

-
-

Specific Gravity

3.70-4.104.12
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

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

Mohs Hardness

6.5-74-4.5
2 10
👆🏻

Chemical Composition

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

Topazolite and Austinite Chemical Formula

While comparing Topazolite 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 Topazolite and Austinite chemical formula.

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

Topazolite and Austinite Specific Gravity

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