Pyroxmangite

Formula: Mn2+SiO3 From Alfredo Petrov: PYROXMANGITE (pairokusumangan-koh; pairokusumangan-seki)(Fairly widespread in japanese metamorphosed bedded Mn deposits, where it is often very low in Fe and much closer to end-member composition than other world pyroxmangites. Previously often mistaken for rhodonite.) Above: Pyroxmangite, Taguchi mine, Shitara, Kitashitara County, Aichi Prefecture, Japan. Width of...