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