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Gahnospinel
Gahnospinel

Sard
Sard



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Gahnospinel
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Sard

Gahnospinel and Sard Physical Properties

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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
3.65-4.552.58-2.63
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
None, but may exhibit slight parting
Not Available
1.7 Mohs Hardness
7.5-86.5-7
Amber
2 10
1.8 Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
SiO 2Ulrich Henn and Claudio C.

Gahnospinel and Sard Chemical Formula

While comparing Gahnospinel and Sard 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 Sard chemical formula.

  • Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
  • Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

Gahnospinel and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Gahnospinel and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Sard Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 2.58-2.63 whereas that of Sard is 2.58-2.63.