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Proustite
Proustite

Dumortierite
Dumortierite



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Proustite
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Dumortierite

Proustite and Dumortierite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.51-5.643.26-3.41
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
1.6 Cleavage
Distinct on {10 1 1}
Distinct on {100}, poor on {110}; parting on {001}
1.7 Mohs Hardness
2.57-8.5
Amber
2 10
1.8 Chemical Composition
Ag 3AsS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
AlAl6O3BSi3O18

Proustite and Dumortierite Chemical Formula

While comparing Proustite and Dumortierite 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 Proustite and Dumortierite chemical formula.

  • Chemical formula of Proustite- Ag 3AsS 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Dumortierite- AlAl6O3BSi3O18

Proustite and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Proustite is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.