Verdelite and Kainite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.90-3.40
2.15
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Splintery, Conchoidal, Brittle
Cleavage
Not Available
{001}, perfect
Mohs Hardness
7-7.5
2.5-3
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.
Not Available
Verdelite and Kainite Chemical Formula
While comparing Verdelite and Kainite 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 Kainite 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.
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Verdelite and Kainite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Verdelite and Kainite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdelite and Kainite Optical Properties during the identification of gemstone. Specific gravity of Verdelite is 2.15 whereas that of Kainite is 2.15.