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Demantoid
Demantoid

Austinite
Austinite



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Demantoid
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Austinite

Demantoid and Austinite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Easily soluble in cold dilute HCl
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.77-3.954.12
Amber
1 7.18
1.5 Fracture
Not Available
Brittle, Uneven, Brittle, Uneven
1.6 Cleavage
Not Available
Good in two directions parallel to the prism faces {110}
1.7 Mohs Hardness
6.54-4.5
Amber
2 10
1.8 Chemical Composition
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
CaZn(AsO4)(OH)

Demantoid and Austinite Chemical Formula

While comparing Demantoid and Austinite 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 Demantoid and Austinite chemical formula.

  • Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
  • Chemical formula of Austinite- CaZn(AsO4)(OH)

Demantoid and Austinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Demantoid and Austinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Demantoid and Austinite Optical Properties during the identification of gemstone. Specific gravity of Demantoid is 4.12 whereas that of Austinite is 4.12.