Sphalerite and Elbaite Physical Properties
Specific Gravity
3.95-4.10
2.90-3.10
Fracture
Uneven
Uneven, Conchoidal
Cleavage
{110} Perfect, {110} Perfect, {110} Perfect
Poor/indistinct on {1120} and {1011}
Chemical Composition
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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
Sphalerite and Elbaite Chemical Formula
While comparing Sphalerite and Elbaite 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 Sphalerite and Elbaite chemical formula.
- Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- 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
Sphalerite and Elbaite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sphalerite and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.