Aragonite and Brazilianite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Dilute acid
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.93-2.96
2.98-2.99
Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, Gems
Cleavage
Distinct on {010}, imperfect {110} and {011}
(010) Distinct to good
Chemical Composition
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Aragonite and Brazilianite Chemical Formula
While comparing Aragonite and Brazilianite 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 Brazilianite chemical formula.
- Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Aragonite and Brazilianite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Aragonite and Brazilianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Aragonite and Brazilianite Optical Properties during the identification of gemstone. Specific gravity of Aragonite is 2.98-2.99 whereas that of Brazilianite is 2.98-2.99.