Dolomite and Pollucite Physical Properties
Solubility
Poorly soluble in dilute HCl
Readily soluble in HF
Specific Gravity
2.80-2.95
2.86-2.94
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Perfect on {10 1 1}, rhombohedral cleavage
None observed
Mohs Hardness
3.5-4
6.5-7
Chemical Composition
CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Dolomite and Pollucite Chemical Formula
While comparing Dolomite and Pollucite 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 Dolomite and Pollucite chemical formula.
- Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Dolomite and Pollucite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Dolomite and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dolomite and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Dolomite is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.