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Pleonaste
Pleonaste

Gahnospinel
Gahnospinel



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Pleonaste
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Gahnospinel

Pleonaste and Gahnospinel 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
3.803.65-4.55
Amber
1 7.18
1.5 Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Not Available
None, but may exhibit slight parting
1.7 Mohs Hardness
87.5-8
Amber
2 10
1.8 Chemical Composition
(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Pleonaste and Gahnospinel Chemical Formula

While comparing Pleonaste and Gahnospinel 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 Pleonaste and Gahnospinel chemical formula.

  • Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
  • Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)

Pleonaste and Gahnospinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pleonaste and Gahnospinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pleonaste and Gahnospinel Optical Properties during the identification of gemstone. Specific gravity of Pleonaste is 3.65-4.55 whereas that of Gahnospinel is 3.65-4.55.