Gahnospinel and Covellite Physical Properties
Tenacity
Not Available
Flexible
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.65-4.55
4.6-4.76
Fracture
ConchoidalArthur Thomas, Gemstones (2009)
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
None, but may exhibit slight parting
Perfect on {0001}
Mohs Hardness
7.5-8
Not Available
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Gahnospinel and Covellite Chemical Formula
While comparing Gahnospinel and Covellite 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 Covellite chemical formula.
- Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Gahnospinel and Covellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Gahnospinel and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Covellite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 4.6-4.76 whereas that of Covellite is 4.6-4.76.