Scapolite and Pectolite Physical Properties
Specific Gravity
2.58-2.74
2.74-2.90
Fracture
ConchoidalWalter Schumann, Splintery
Uneven, Splintery
Cleavage
{100} Distinct, {110} Distinct
Perfect on {100} and {001}
Mohs Hardness
5.5-6
4.5-5
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
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Scapolite and Pectolite Chemical Formula
While comparing Scapolite and Pectolite 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 Pectolite 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 Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Scapolite and Pectolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Scapolite and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scapolite and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Scapolite is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.