![labradorite crystal from Finland with the phenomenon of blue labradorescence](https://www.patrickvoillot.com/wp-content/uploads/2021/03/labradorite-cristal-labradorescence141.png)
labradorite
This plagioclase was discovered in 1770 in the Labrador region in Canada, which gave it its name. It is part of the albite-anorthite series. Its characteristic is a set of iridescent colors that can be observed by changing its position relatively to the light, this