Vermiculite from selected localities.
USA | |
| Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 413; Moore, R.T. (1969b), Vermiculite, in Mineral and water resources of AZ, AZ Bur. Mines Bull. 180: 462-464. |
| MRDS database Dep. ID #10062373, MRDS ID #TC35750. |