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Sinhalite
Sinhalite

Cordierite
Cordierite



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Sinhalite
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Cordierite

Sinhalite and Cordierite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.46-3.502.57-2.66
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Subconchoidal, Conchoidal, Brittle
1.6 Cleavage
Not Available
Fair on {100}, poor on {001} and {010}
1.7 Mohs Hardness
6-77-7.5
Amber
2 10
1.8 Chemical Composition
MgAlBO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Mg2Al4Si5O18

Sinhalite and Cordierite Chemical Formula

While comparing Sinhalite and Cordierite 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 Sinhalite and Cordierite chemical formula.

  • Chemical formula of Sinhalite- MgAlBO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Cordierite- Mg2Al4Si5O18

Sinhalite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sinhalite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sinhalite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Sinhalite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.