Search Mineralpedia – A Mineral Photo Database and Identification Guide
Named for the magnesium content in the composition and for its relationship to hastingsite. Magnesiohastingsite is an uncommon mineral that is found in alkaline basalts, in andesites, latites, tephrites, and tuffs, and in carbonatites. Localities include Austria, the Czech Republic, Germany, Sweden, Russia, Greenland, Canada, the United States, and Zimbabwe.
Ref. Handbook of Mineralogy, Anthony et al (1995) and MSA at http://www.handbookofmineralogy.org/pdfs/magnesiohastingsite.pdf
