Roepperite (of Brush) from
USA | |
| Dana, Edward S. (1892) System of Mineralogy |
www.fomsnj.org (n.d.) https://www.fomsnj.org/mineral.aspx?minid=213&minName=Fayalite www.mineralman.com (n.d.) http://www.mineralman.com/roepperite090511.html | |
| Dana, Edward S., (1892) System of Mineralogy |