|
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 413 Galbraith, F.W. & Brennan (1959), Minerals of AZ: 106. North, O.S. & N.C. Jensen (1958), Vermiculite, in Minerals Yearbook, 1954, US Bur. of Mines: 1307-1316 |
| MRDS file #10186636. |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 413 North, O.S. & N.C. Jensen (1958), Vermiculite, in Minerals Yearbook, 1954, US Bur. Mines: 1307-1316. |
| MRDS file #10062457. |
| Anthony, J.W., et al (1995), Minerals of Arizona, 3rd.ed.: 413 Wilson, E.D. & G.H. Rosaveare (1949), Arizona nonmetallics: A summary of past production and present operations (2nd.ed.), AZ Bur. of Mines Bull. 155: 32. |