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Wax Opal
Wax Opal

Austinite
Austinite



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Wax Opal
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Austinite

Wax Opal and Austinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Easily soluble in cold dilute HCl

Durability

-
-

Specific Gravity

1.98-2.504.12
1 7.18
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Fracture

ConchoidalWalter Schumann
Uneven

Cleavage

None
Good in two directions parallel to the prism faces {110}

Mohs Hardness

5.5-6.54-4.5
2 10
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Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
CaZn(AsO4)(OH)

Wax Opal and Austinite Chemical Formula

While comparing Wax Opal 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 Wax Opal and Austinite chemical formula.

  • Chemical formula of Wax Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  • Chemical formula of Austinite- CaZn(AsO4)(OH)

Wax Opal and Austinite Specific Gravity

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