Sugilite and Datolite Physical Properties
Specific Gravity
2.69-2.79
2.90-3.00
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Poor on {0001}
None
Mohs Hardness
5.5-6.5
5-5.5
Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Sugilite and Datolite Chemical Formula
While comparing Sugilite 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 Sugilite and Datolite chemical formula.
- Chemical formula of Sugilite- KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael 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
Sugilite and Datolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sugilite and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sugilite and Datolite Optical Properties during the identification of gemstone. Specific gravity of Sugilite is 2.90-3.00 whereas that of Datolite is 2.90-3.00.