Faustite and Elbaite Physical Properties
Specific Gravity
2.9
2.90-3.10
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
{???} Indistinct
Poor/indistinct on {1120} and {1011}
Chemical Composition
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
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
Faustite and Elbaite Chemical Formula
While comparing Faustite 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 Faustite and Elbaite chemical formula.
- Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
- 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
Faustite and Elbaite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Faustite and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Faustite and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Faustite is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.