Natrolite and Datolite Physical Properties
Specific Gravity
2.20-2.26
2.90-3.00
Fracture
Uneven
Conchoidal, Uneven
Cleavage
Perfect on {110}
None
Mohs Hardness
5-5.5
5-5.5
Chemical Composition
Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Natrolite and Datolite Chemical Formula
While comparing Natrolite 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 Natrolite and Datolite chemical formula.
- Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael 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
Natrolite and Datolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Natrolite and Datolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite and Datolite Optical Properties during the identification of gemstone. Specific gravity of Natrolite is 2.90-3.00 whereas that of Datolite is 2.90-3.00.