|
USA | |
| [var. Labradorite] Cook, Robert B. (1978) Minerals of Georgia: Their Properties and Occurrences. Bulletin 92. State of Georgia Department of Natural Resources |
| American Mineralogist, Volume 72, pages 1086-1096, 1987 |
| [var. Bytownite] Cook, Robert B. (1978) Minerals of Georgia: Their Properties and Occurrences. Bulletin 92. State of Georgia Department of Natural Resources |
| Hopkins, Oliver B. (1914) A Report on the Asbestos, Talc and Soapstone Deposits of Georgia. Bulletin 29. Geological Survey of Georgia |
| Lang, 2001 |
| [var. Labradorite] Dana 6:515,637 & 1075. |
| Nathan Clay Collins (2011) Geochemical Systematics Among Amphibolitic Rocks in the Central Blue Ridge Province of southwestern North Carolina: University of South Florida |
| GEORGIA JOURNAL OF SCIENCE Volume 56 1998 Number 1 |
| Nathan Clay Collins (2011) Geochemical Systematics Among Amphibolitic Rocks in the Central Blue Ridge Province of southwestern North Carolina:University of South Florida |
| Nathan Clay Collins (2011) Geochemical Systematics Among Amphibolitic Rocks in the Central Blue Ridge Province of southwestern North Carolina: University of South Florida |
| [var. Labradorite] Genth,F.A (1891) The Minerals Of North Carolina:USGS Bulletion No.74 |
| Nathan Clay Collins (2011) Geochemical Systematics Among Amphibolitic Rocks in the Central Blue Ridge Province of southwestern North Carolina:University of South Florida |
| [var. Bytownite] Absher and McSween H.Y Jr, 1986, Winding Stair Gap granulite |
| Collins,Nathan Clay(2011) Geochemical Systematics among amphibolitic Rocks in the Central Blue Ridge Province of southwestern North Carolina:University of South Florida |
| [var. Labradorite] Paris, Travis A. (2011) Tennessee Mineral Locality Index. Rocks & Minerals, 86 (4) 300-329 doi:10.1080/00357529.2010.517132 |