Riebeckite from Coconino County, Arizona, USA
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 355. |
Robinson, Henry H. (1913), The San Franciscan Volcanic Field, AZ, USGS PP 76: 110-112. |
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 355. |
Robinson, Henry H. (1913), The San Franciscan Volcanic Field, AZ, USGS PP 76: 110-112. |