Axinite and Datolite Physical Properties
Specific Gravity
3.26-3.36
2.90-3.00
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Good on {100}
None
Mohs Hardness
6.5-7
5-5.5
Chemical Composition
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Axinite and Datolite Chemical Formula
While comparing Axinite 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 Axinite and Datolite chemical formula.
- Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Axinite and Datolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Axinite and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Axinite and Datolite Optical Properties during the identification of gemstone. Specific gravity of Axinite is 2.90-3.00 whereas that of Datolite is 2.90-3.00.