Osumilite-(Mg), Plagioclase
Roadcut Fv 503 Vikesdal, Vikeså, Bjerkreim, Rogaland, Norway
~ 5 x 3,5 x 3 cm typical piece of purplish irregular crystals of osumilite-Mg frozen in albite-anorthite series matrix from Vikesdal. Some minor black spinel are also present on the piece. Collection (Nr 1070) and photo: Knut Edvard Larsen
© Knut Edvard Larsen