Aragonite and Carnallite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Dilute acid
Soluble
Durability
Not Available
Not Available
Specific Gravity
2.93-2.96
1.6
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Violet, Conchoidal, Brittle, Conchoidal, Brittle
Cleavage
Distinct on {010}, imperfect {110} and {011}
None
Chemical Composition
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
KMgCl3•6(H2O)
Aragonite and Carnallite Chemical Formula
While comparing Aragonite and Carnallite 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 Carnallite chemical formula.
- Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Carnallite- KMgCl3•6(H2O)
Aragonite and Carnallite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Aragonite and Carnallite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Carnallite Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 1.6 whereas that of Carnallite is 1.6.