Labradorite Cabs, Oval, 4 x 6 mm

Labradorite often has metallic blue and green streaks which is often caused by interference of light from lattice distortions resulting from alternating microscopic. They are found in Canada, Australia, Madagascar, Mexico, Russia and the United States of America. 

Shape: Oval

Size: 4x6mm

Weight: 0.10g

Colour: Brown, black and green streaks

Moh's hardness: 6 - 6½ 

Density: 2.65 - 2.75

Cleavage: Perfect

Refractive index: 1.559 - 1.570

Dispersion: 0.019 (0.010)