labradorite Rs. 250.00 Per Ratti.
Category : Feldspar, tectosilicate
Crystal symmetry : Triclinic pinacoidal
Chemical formula : (Ca,Na)(Al,Si)4O8, where Ca/(Ca + Na) (% anorthite) is between 50%–70%
Color : Gray, brown, greenish, blue, yellow, colorless
Crystal system : Orthorhombic
Mohs scale hardness : 6 – 6.5
Luster : Vitreous to pearly on cleavages
Streak : white
Specific gravity : 2.68 to 2.72
Diaphaneity : Translucent to transparent
Optical properties : Biaxial (+)
Refractive index : 1.554 - 1.563, 1.559 - 1.568, 1.562 - 1.573
Weight :-