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