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Austinite
Austinite

Wulfenite
Wulfenite



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Austinite
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Wulfenite

Austinite and Wulfenite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Easily soluble in cold dilute HCl
-

Durability

-
-

Specific Gravity

4.126.50-7.00
1 7.18
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Fracture

Uneven
Irregular, Conchoidal

Cleavage

Good in two directions parallel to the prism faces {110}
On {011}, distinct; on {001}, {013}, indistinct

Mohs Hardness

4-4.53
2 10
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Chemical Composition

CaZn(AsO4)(OH)
PbMoO 4Walter Schumann , Gemstones of the world (2001)

Austinite and Wulfenite Chemical Formula

While comparing Austinite and Wulfenite 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 Wulfenite chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Wulfenite- PbMoO 4Walter Schumann , Gemstones of the world (2001)

Austinite and Wulfenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Wulfenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Wulfenite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 6.50-7.00 whereas that of Wulfenite is 6.50-7.00.