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Franklinite
Franklinite

Calcite
Calcite



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Franklinite and Calcite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.05-5.22
2.67-2.73
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
None
Perfect on [10 1 1] three directions with angle of 74° 55
1.7 Mohs Hardness
5.5-6
3
1.8 Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
CaCO 3Ulrich Henn and Claudio C.

Franklinite and Calcite Chemical Formula

While comparing Franklinite and Calcite 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 Calcite chemical formula.

  • Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Calcite- CaCO 3Ulrich Henn and Claudio C.

Franklinite and Calcite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Franklinite and Calcite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Calcite Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 2.67-2.73 whereas that of Calcite is 2.67-2.73.