Polarized light photomicrograph of a thin section of a charoite-bearing schist. Charoite is a rare silicate found only at one location in Yakutia, Russia. For its beautiful and uncommon purple color it is used as a semi-precious stone in jewelry. Under the microscope charoite-bearing rocks give an overall feeling of movement, with charoite forming fibrous mats that swirl and fold as a result of de ...[Read More]
Imaggeo on Mondays: River in a charoite schist
River in a Charoite Schist. Credit: Bernardo Cesare (distributed via imaggeo.egu.eu)