Elbaite and Sylvite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.90-3.10
1.993
Fracture
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Uneven, Brittle
Cleavage
Poor/indistinct on {1120} and {1011}
Perfect on [100], [010], [001]
Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
Not Available
Elbaite and Sylvite Chemical Formula
While comparing Elbaite and Sylvite 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 Elbaite and Sylvite chemical formula.
- Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
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Elbaite and Sylvite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Elbaite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 1.993 whereas that of Sylvite is 1.993.