Smithsonite and Stichtite Physical Properties
Specific Gravity
4.00-4.65
2.11-2.20
Fracture
Uneven, Sub-Conchoidal
Uneven
Cleavage
Perfect on [1011]
Perfect on {0001}
Mohs Hardness
5-5.5
-9999
Chemical Composition
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Smithsonite and Stichtite Chemical Formula
While comparing Smithsonite and Stichtite 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 Smithsonite and Stichtite chemical formula.
- Chemical formula of Smithsonite- ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Smithsonite and Stichtite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Smithsonite and Stichtite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smithsonite and Stichtite Optical Properties during the identification of gemstone. Specific gravity of Smithsonite is 2.11-2.20 whereas that of Stichtite is 2.11-2.20.