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Gahnospinel
Gahnospinel

Franklinite
Franklinite



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Gahnospinel
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Gahnospinel and Franklinite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.65-4.55
5.05-5.22
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
1.6 Cleavage
None, but may exhibit slight parting
None
1.7 Mohs Hardness
7.5-8
5.5-6
1.8 Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Gahnospinel and Franklinite Chemical Formula

While comparing Gahnospinel and Franklinite 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 Gahnospinel and Franklinite chemical formula.

  • Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
  • Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Gahnospinel and Franklinite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Franklinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Franklinite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 5.05-5.22 whereas that of Franklinite is 5.05-5.22.