Scapolite and Aragonite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Dilute acid
Durability
Not Available
Not Available
Specific Gravity
2.58-2.74
2.93-2.96
Fracture
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Splintery
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
{100} Distinct, {110} Distinct
Distinct on {010}, imperfect {110} and {011}
Mohs Hardness
5.5-6
3.5-4
Chemical Composition
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Scapolite and Aragonite Chemical Formula
While comparing Scapolite 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 Scapolite and Aragonite chemical formula.
- Chemical formula of Scapolite- Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Scapolite and Aragonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Scapolite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scapolite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Scapolite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.