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Austinite
Austinite

Diaspore
Diaspore



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Austinite
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Diaspore

Austinite and Diaspore Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Very brittle
1.2 Solubility
Easily soluble in cold dilute HCl
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.123.30-3.40
Amber
1 7.18
1.5 Fracture
Brittle, Uneven, Brittle, Uneven
Conchoidal, Brittle, Conchoidal
1.6 Cleavage
Good in two directions parallel to the prism faces {110}
{010} perfect, {110} distinct, {100} in traces
1.7 Mohs Hardness
4-4.56.5-7
Amber
2 10
1.8 Chemical Composition
CaZn(AsO4)(OH)
AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Austinite and Diaspore Chemical Formula

While comparing Austinite and Diaspore 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 Diaspore chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

Austinite and Diaspore Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Diaspore Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Diaspore Optical Properties during the identification of gemstone. Specific gravity of Austinite is 3.30-3.40 whereas that of Diaspore is 3.30-3.40.