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Franklinite
Franklinite

Cordierite
Cordierite



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Franklinite
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Cordierite

Franklinite 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
5.05-5.222.57-2.66
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Subconchoidal, Conchoidal, Brittle
1.6 Cleavage
None
Fair on {100}, poor on {001} and {010}
1.7 Mohs Hardness
5.5-67-7.5
Amber
2 10
1.8 Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Mg2Al4Si5O18

Franklinite and Cordierite Chemical Formula

While comparing Franklinite 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 Franklinite and Cordierite chemical formula.

  • Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Cordierite- Mg2Al4Si5O18

Franklinite and Cordierite Specific Gravity

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