|
USA | |
| [var. Smoky Quartz] Howard, J. Michael (2007) Bulletin Vol. 23, Mineral Species of Arkansas - A Digest (2nd ed.) Arkansas Geological Commission |
| [var. Rock Crystal] Rocks & Min.:63:120. |
| Newsom(1978). Rocks & Min.:63:122 Miser, H.D.,and Milton, C.,1964, Quartz, rectorite, and cookeite from theJeffrey Quarry, North Little Rock, Pulaski Co., Arkansas, Arkansas GeologicalCommission, Bull.21 (in coop. with the U.S.G.S.), Little Rock, Arkansas,29 p. |
| Rocks and Minerals, (1989) 64:314-322 Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index. Rocks & Minerals, 63 (2) 104-125 doi:10.1080/00357529.1988.11761826 |
| Rocks & Min.:63:120. |
| Rocks & Min.: 63:122 Dana 6: 140 & 692. |
| Rocks & Min.: 63:122. |
| Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index. Rocks & Minerals, 63 (2) 104-125 doi:10.1080/00357529.1988.11761826 |
| Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index. Rocks & Minerals, 63 (2) 104-125 doi:10.1080/00357529.1988.11761826 |
| Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index. Rocks & Minerals, 63 (2) 104-125 doi:10.1080/00357529.1988.11761826 |
Jeffrey Quarry, Jeffrey, Pulaski County, Arkansas, USA