Sphalerite and Datolite Physical Properties
Specific Gravity
3.95-4.10
2.90-3.00
Fracture
Uneven
Conchoidal, Uneven
Cleavage
{110} Perfect, {110} Perfect, {110} Perfect
None
Mohs Hardness
3.5-4
5-5.5
Chemical Composition
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Sphalerite and Datolite Chemical Formula
While comparing Sphalerite and Datolite 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 Datolite chemical formula.
- Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Sphalerite and Datolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sphalerite and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphalerite and Datolite Optical Properties during the identification of gemstone. Specific gravity of Sphalerite is 2.90-3.00 whereas that of Datolite is 2.90-3.00.