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Austinite
Austinite

Pollucite
Pollucite



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Austinite
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Pollucite

Austinite and Pollucite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

Easily soluble in cold dilute HCl
Readily soluble in HF

Durability

-
-

Specific Gravity

4.122.86-2.94
1 7.18
👆🏻

Fracture

Uneven
Conchoidal, Uneven

Cleavage

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

Mohs Hardness

4-4.56.5-7
2 10
👆🏻

Chemical Composition

CaZn(AsO4)(OH)
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Austinite and Pollucite Chemical Formula

While comparing Austinite and Pollucite 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 Pollucite chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

Austinite and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.