Gaylussite and Covellite Physical Properties
Tenacity
Not Available
Flexible
Solubility
decomposes in water
Not Available
Durability
Not Available
Not Available
Specific Gravity
1.93-1.99
4.6-4.76
Fracture
Conchoidal, Conchoidal, Brittle
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic
Cleavage
perfect [110]
Perfect on {0001}
Mohs Hardness
2.5
Not Available
Chemical Composition
Na2Ca(CO3)2•5(H2O)
CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Gaylussite and Covellite Chemical Formula
While comparing Gaylussite 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 Gaylussite and Covellite chemical formula.
- Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)
- Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references
Gaylussite and Covellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Gaylussite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gaylussite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Gaylussite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.