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Austinite
Austinite

Cuprite
Cuprite



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Austinite
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Austinite and Cuprite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Easily soluble in cold dilute HCl
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.12
5.85-6.15
1.5 Fracture
Brittle, Uneven, Brittle, Uneven
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Good in two directions parallel to the prism faces {110}
Fair in four directions forming octahedrons
1.7 Mohs Hardness
4-4.5
3.5-4
1.8 Chemical Composition
CaZn(AsO4)(OH)
Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Austinite and Cuprite Chemical Formula

While comparing Austinite and Cuprite 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 Cuprite chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Cuprite- Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Austinite and Cuprite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Cuprite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Cuprite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 5.85-6.15 whereas that of Cuprite is 5.85-6.15.