LABRADORITE FELDSPAR

Labradorite has got is name due to the Canadian peninsula of Labrador where it was discovered in 1770. Labradorite is plagioclase feldspar and shows play of color in lustrous metallic tints, often blue and green. This play of color is caused by the interferences of light on twinned lamellae. Labradorite is found in Labrador (Canada), Finland, the former USSR and Norway.

Crystal Structure: Triclinic

Hardness: 6

Specific Gravity: 2.70

Refractive Index: 1.56-1.57

Colors: White and dark gray to grayish black with play of color.

Luster: Vitreous

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