Covellite and Goethite Physical Properties
Tenacity
Flexible
Not Available
Solubility
Not Available
HCl soluble
Durability
Not Available
Not Available
Specific Gravity
4.6-4.76
4.27-4.29
Fracture
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Uneven, torn surfaces, (e.g. fractured metals)., Uneven, Gemstones (2009), torn surfaces, (e.g. fractured metals).
Cleavage
Perfect on {0001}
Perfect {010}
Mohs Hardness
Not Available
5-5.5
Chemical Composition
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
FeO(OH)Arthur Thomas , Gemstones (2009)
Covellite and Goethite Chemical Formula
While comparing Covellite and Goethite 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 Goethite chemical formula.
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
- Chemical formula of Goethite- FeO(OH)Arthur Thomas , Gemstones (2009)
Covellite and Goethite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Covellite and Goethite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite and Goethite Optical Properties during the identification of gemstone. Specific gravity of Covellite is 4.27-4.29 whereas that of Goethite is 4.27-4.29.