Charoite and Ruby Physical Properties
Specific Gravity
2.54-2.78
3.97-4.05
Fracture
Conchoidal
Conchoidal
Cleavage
Good in three directions
No true cleavage
Chemical Composition
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 2 O 3
Charoite and Ruby Chemical Formula
While comparing Charoite and 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 Charoite and Ruby chemical formula.
- Chemical formula of Charoite- K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Ruby- Al 2 O 3
Charoite and Ruby Specific Gravity
Another important criteria for qualitative analysis of gemstones is Charoite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charoite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Charoite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.