Charoite and Verdite Physical Properties
Specific Gravity
2.54-2.78
2.80-3.0
Cleavage
Good in three directions
{110} Good
Chemical Composition
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaFeS2•2(H2O)
Charoite and Verdite Chemical Formula
While comparing Charoite and Verdite 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 Verdite 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 Verdite- NaFeS2•2(H2O)
Charoite and Verdite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Charoite and Verdite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charoite and Verdite Optical Properties during the identification of gemstone. Specific gravity of Charoite is 2.80-3.0 whereas that of Verdite is 2.80-3.0.