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Austinite
Austinite

Danburite
Danburite



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Austinite
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Austinite and Danburite Physical Properties

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
2.97-3.03
1.5 Fracture
Brittle, Uneven, Brittle, Uneven
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
1.6 Cleavage
Good in two directions parallel to the prism faces {110}
{001} Poor
1.7 Mohs Hardness
4-4.5
7
1.8 Chemical Composition
CaZn(AsO4)(OH)
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Austinite and Danburite Chemical Formula

While comparing Austinite and Danburite 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 Danburite chemical formula.

  • Chemical formula of Austinite- CaZn(AsO4)(OH)
  • Chemical formula of Danburite- CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Austinite and Danburite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Austinite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.