Verdelite and Gaylussite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
decomposes in water
Durability
Not Available
Not Available
Specific Gravity
2.90-3.40
1.93-1.99
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Conchoidal, Brittle
Cleavage
Not Available
perfect [110]
Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Na2Ca(CO3)2•5(H2O)
Verdelite and Gaylussite Chemical Formula
While comparing Verdelite and Gaylussite 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 Verdelite and Gaylussite chemical formula.
- Chemical formula of Verdelite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
- Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)
Verdelite and Gaylussite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Verdelite and Gaylussite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdelite and Gaylussite Optical Properties during the identification of gemstone. Specific gravity of Verdelite is 1.93-1.99 whereas that of Gaylussite is 1.93-1.99.