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Gahnospinel
Gahnospinel

Allanite
Allanite



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Gahnospinel
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Gahnospinel and Allanite 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
3.40-4.20
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009)
Not Available
1.6 Cleavage
None, but may exhibit slight parting
Not Available
1.7 Mohs Hardness
7.5-8
Not Available
1.8 Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
Not Available

Gahnospinel and Allanite Chemical Formula

While comparing Gahnospinel and Allanite 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 Allanite chemical formula.

  • Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
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Gahnospinel and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Allanite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 3.40-4.20 whereas that of Allanite is 3.40-4.20.