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Sapphirine
Sapphirine

Brucite
Brucite



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Sapphirine
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Sapphirine and Brucite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Sectile
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.40-3.58
2.39
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
Irregular
1.6 Cleavage
{010} Perfect
Perfect on {0001}
1.7 Mohs Hardness
7.5
2.5
1.8 Chemical Composition
(Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Sapphirine and Brucite Chemical Formula

While comparing Sapphirine and Brucite 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 Sapphirine and Brucite chemical formula.

  • Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Brucite- Mg(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Sapphirine and Brucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Brucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Brucite Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 2.39 whereas that of Brucite is 2.39.