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Foitite
Foitite

Cordierite
Cordierite



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Foitite
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Cordierite

Foitite 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
3.172.57-2.66
Amber
1 7.18
1.5 Fracture
Handbook of mineralogy (2001)
Subconchoidal, Conchoidal, Brittle
1.6 Cleavage
None
Fair on {100}, poor on {001} and {010}
1.7 Mohs Hardness
77-7.5
Amber
2 10
1.8 Chemical Composition
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
Mg2Al4Si5O18

Foitite and Cordierite Chemical Formula

While comparing Foitite 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 Foitite and Cordierite chemical formula.

  • Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Cordierite- Mg2Al4Si5O18

Foitite and Cordierite Specific Gravity

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