Charoite and Labradorite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.54-2.78
  
2.69-2.72
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
  
Uneven, Conchoidal, Gems, Sixth Edition (2006)
  
Cleavage
Good in three directions
  
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
  
Mohs Hardness
5-6
  
6-6.5
  
Chemical Composition
K(Ca,Na) 2Si 4O 10(OH,F) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
(Na,Ca)1-2Si3-2O8
  
Charoite and Labradorite Chemical Formula
While comparing Charoite and Labradorite 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 Labradorite 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 Labradorite- (Na,Ca)1-2Si3-2O8
Charoite and Labradorite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Charoite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Charoite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Charoite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.