Aragonite and Dolomite Physical Properties
Solubility
Dilute acid
Poorly soluble in dilute HCl
Durability
Not Available
Not Available
Specific Gravity
2.93-2.96
2.80-2.95
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Distinct on {010}, imperfect {110} and {011}
Perfect on {10 1 1}, rhombohedral cleavage
Mohs Hardness
3.5-4
3.5-4
Chemical Composition
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Aragonite and Dolomite Chemical Formula
While comparing Aragonite and Dolomite 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 Aragonite and Dolomite chemical formula.
- Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Aragonite and Dolomite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Aragonite and Dolomite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Dolomite Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 2.80-2.95 whereas that of Dolomite is 2.80-2.95.