|
USA | |
| [var. Rock Crystal] Howard, J. Michael (2007) Bulletin Vol. 23, Mineral Species of Arkansas - A Digest (2nd ed.) Arkansas Geological Commission |
| Clardy & Bush(1976). Rocks & Min.:63:115 |
| Clardy & Bush(1976). Rocks & Min.:63:115 |
| Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index. Rocks & Minerals, 63 (2) 104-125 doi:10.1080/00357529.1988.11761826 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index. Rocks & Minerals, 63 (2) 104-125 doi:10.1080/00357529.1988.11761826 Clardy, B.F., Bush, W.V. (1976) Mercury District of Southwest Arkansas. Arkansas Geological Survey, Information Circular IC-23, 57 pgs. |
| Rob Lavinsky |
| Clardy & Bush(1976). Rocks & Min.:63:115 |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Bush(1976). Rocks & Min.:63:115 |
| Clardy & Bush(1976). Rocks & Min.:63:115 |
| Clardy & Bush(1976). Rocks & Min.:63:115 |
| Rocks & Min.: 63:115. |
- Mill Mountain (Mill Hill)
| Rocks & Min.: 63:118. |
| Rocks & Min.: 63:118. |
| Rocks & Min.: 63:118. |
| Rocks & Min.: 63:118. |
| Rocks & Min.: 63:118. |
| Rocks & Min.:63:115. |
| Rocks & Min.: 63:115. |
| Rocks & Min.: 63:118. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Rocks & Min.: 63:118. |
| Rocks & Min.:63:115. |
| Miser, H. D., & Ross, C. S. (1923). Diamond-bearing peridotite in Pike County, Arkansas. USGS Bulletin 735i. |
| [Chalcedony var. Agate] Arkansas Geological Commission |
| Dummett, H. T. (1987). Geology and petrography of the Twin Knobs# 1 lamproite, Pike County, Arkansas. Mantle Metasomatism and Alkaline Magmatism, 215, 205. |
| Rocks & Min.: 63: 115. |
| Rocks & Min.: 63:118. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
Crater of Diamonds State Park, Murfreesboro, Pike County, Arkansas, USA