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Brucite
Brucite

Dumortierite
Dumortierite



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Brucite and Dumortierite Physical Properties

1 Physical Properties
1.1 Tenacity
Sectile
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.39
3.26-3.41
1.5 Fracture
Irregular
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
1.6 Cleavage
Perfect on {0001}
Distinct on {100}, poor on {110}; parting on {001}
1.7 Mohs Hardness
2.5
7-8.5
1.8 Chemical Composition
Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
AlAl6O3BSi3O18

Brucite and Dumortierite Chemical Formula

While comparing Brucite 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 Brucite and Dumortierite chemical formula.

  • Chemical formula of Brucite- Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Dumortierite- AlAl6O3BSi3O18

Brucite and Dumortierite Specific Gravity

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