Pectolite and Star Ruby Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.74-2.90
3.95-4.10
Fracture
Uneven, Gemstones (2009), Splintery
Uneven, Uneven, Gems, Sixth Edition (2006)
Cleavage
Perfect on {100} and {001}
Not Available
Mohs Hardness
4.5-5
Not Available
Chemical Composition
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Pectolite and Star Ruby Chemical Formula
While comparing Pectolite and Star Ruby 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 Star Ruby chemical formula.
- Chemical formula of Pectolite- Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Pectolite and Star Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pectolite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.