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USA | |
| [var. Illite] www.indiana.edu/~librcsd/etext/hoosier/IM-01.html. |
| [var. Sericite] Erd, Richard C., Greenberg, Seymour S. (1960) Minerals of Indiana. Bulletin 18. Indiana Geological Survey |
| [var. Illite] www.indiana.edu/~librcsd/etext/hoosier/IM-01.html. |
| [var. Illite] (2005) Mineral Resources Data System (MRDS), US Geological Survey. www.indiana.edu |
- Southwest Indiana Gypsum Deposit
| [var. Illite] (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| [var. Illite] www.indiana.edu/~librcsd/etext/hoosier/IM-01.html. |
| [var. Illite] Peacor, Donald R. (2000) Authigenic Illite and Organic Matter: The Principal Hosts of Vanadium in the Mecca Quarry Shale at Velpen, Indiana. Clays and Clay Minerals, 48 (3), 311-316. doi:10.1346/ccmn.2000.0480301 |
| Byron F. King (1932) American Mineralogist, 17, #10, 485-490. |
| [var. Illite] J.C. Bridges, M.M. Grady (2000) Evaporite mineral assemblages in the nakhlite (martian) meteorites. Earth and Planetary Science Letters 176:267-279 |