|
USA | |
| [var. Hessonite] Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row. |
| “Smith, A.E., Jr., 1996, Collecting Arkansas Minerals: A R“Smith, A.E., Jr., 1994, “Through the Scope: Collecting Microminerals at Cove Creek, Magnet Cove, Arkansas”: Rocks & Minerals, 69:180-185.eference and Guide.” and |
| H. Barwood - unpublished (2010) |