Pectolite and Covellite Physical Properties
Tenacity
Brittle
Flexible
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.74-2.90
4.6-4.76
Fracture
Uneven, Gemstones (2009), Splintery
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
Perfect on {100} and {001}
Perfect on {0001}
Mohs Hardness
4.5-5
Not Available
Chemical Composition
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Pectolite and Covellite Chemical Formula
While comparing Pectolite 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 Pectolite and Covellite chemical formula.
- Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Pectolite and Covellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pectolite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.