Aenigmatite from Colorado Plateau, USA
USA | |
| Robinson, Henry H. (1913), The San Franciscan Volcanic Field, AZ, USGS PP 76: 110-112. |
azminerals.com | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 102 Laughlin, A.W., et al (1986), Hetromorphism and crystallization paths of katungites, Navajo volcanic field, AZ, USA, in J. Ross, et al (editor), Kimberlites and related rocks, vol. 1, Geol. Soc. Australia Spec. Pub. 14. |