Spessartine and Covellite Physical Properties
Tenacity
Not Available
Flexible
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
4.12-4.18
4.6-4.76
Fracture
ConchoidalArthur Thomas, Conchoidal, Brittle
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
{???} Distinct
Perfect on {0001}
Mohs Hardness
7-7.5
Not Available
Chemical Composition
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Spessartine and Covellite Chemical Formula
While comparing Spessartine 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 Spessartine and Covellite chemical formula.
- Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Spessartine and Covellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Spessartine and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Covellite Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 4.6-4.76 whereas that of Covellite is 4.6-4.76.