Pectolite and Albite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.74-2.90
2.60-2.65
Fracture
Uneven, Gemstones (2009), Splintery
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
Cleavage
Perfect on {100} and {001}
Perfect on {001}, very good on {010}, imperfect on {110}
Mohs Hardness
4.5-5
6-6.5
Chemical Composition
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Pectolite and Albite Chemical Formula
While comparing Pectolite and Albite 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 Pectolite and Albite chemical formula.
- Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
- Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Pectolite and Albite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pectolite and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Albite Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 2.60-2.65 whereas that of Albite is 2.60-2.65.