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USA | |
| [var. Cyrtolite] (1891) The minerals of North Carolina. Bulletin Vol. 74. US Geological Survey doi:10.3133/b74 Genth,F.A.,1891,The Minerals Of North Carolina |
| Kaltenbach,Kelley J.,(2007) Geology And Petrology Of The Fletcher Limestone Company Quarry,Fletcher,Henderson County,North Carolina,University of North Carolina,Wilmington |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
| Betts, John (n.d.) John Betts website listing. |
| [var. Cyrtolite] U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995 |
- Zirconia Pegmatite Mining District
| Dana 6:485 Rocks & min.:60:90. |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Zirconia (Tuxedo Station)
| Rocks & min.:60:90 Dana 6:485,1076. |
Jones Mine, Zirconia, Zirconia Pegmatite Mining District, Henderson County, North Carolina, USA