Spectrolite, the most valued type of labradorite, comes from Finland. The name is derived from Labrador which is the main and original source of the Canadian variety of this feldspar stone. Labradorite is also found in India, Madagascar, Newfoundland, and Russia

A type of translucent feldspar which displays strong iridescence when viewed from different angles, Finnish spectrolite exhibits vivid colors of bright aqua, golden yellow, peacock blue, reddish orange, greens and red. Also see labradorescence and schiller.

It is a 6-6.5 on the Mohs scale.