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USA | |
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| [var. Rutilated Quartz] Rocks & Min. 71(4):250 |
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| Bulletin, Issue 19 By Georgia. Dept. of Mines, Mining, and Geology, Georgia. Dept. of Forestry and Geological Development, Georgia. Division of Mines, Mining, and Geology |
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| Bulletin, Issue 19 By Georgia. Dept. of Mines, Mining, and Geology, Georgia. Dept. of Forestry and Geological Development, Georgia. Division of Mines, Mining, and Geology |
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| [var. Amethyst] Moore, Thomas P. (2005) What's new in minerals - Tucson Show 2005. The Mineralogical Record, 36 (3) 285-301 |
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| Cook, Robert B. (1978) Minerals of Georgia: Their Properties and Occurrences. Bulletin 92. State of Georgia Department of Natural Resources |
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| Cook, Robert B. (1978) Minerals of Georgia: Their Properties and Occurrences. Bulletin 92. State of Georgia Department of Natural Resources |
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| [var. Amethyst] Cook, Robert B. (1978) Minerals of Georgia: Their Properties and Occurrences. Bulletin 92. State of Georgia Department of Natural Resources |
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| [var. Amethyst] Cook, Robert B. (1978) Minerals of Georgia: Their Properties and Occurrences. Bulletin 92. State of Georgia Department of Natural Resources |
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| [var. Amethyst] Cook, Robert B. (1978) Minerals of Georgia: Their Properties and Occurrences. Bulletin 92. State of Georgia Department of Natural Resources |
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| [var. Amethyst] Cook, Robert B. (1978) Minerals of Georgia: Their Properties and Occurrences. Bulletin 92. State of Georgia Department of Natural Resources |
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| Cook, Robert B. (1978) Minerals of Georgia: Their Properties and Occurrences. Bulletin 92. State of Georgia Department of Natural Resources
Prindle, Louis M. (1935) Kyanite and Vermiculite Deposits of Georgia. Bulletin 46. Geological Survey of Georgia |
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| Cook, Robert B. (1978) Minerals of Georgia: Their Properties and Occurrences. Bulletin 92. State of Georgia Department of Natural Resources |
Jackson Crossroads Amethyst Mine, Jacksons Crossroads, Wilkes County, Georgia, USA