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Tourmaline from
Little Johnnie Mine (Cathey Nos. 1-5; Unpatented Claims: Little Johnnie Nos. 1-2; Charley Nos. 1-5; Little Johnnie Extension), Goose Creek Mining District, Gunnison Co., Colorado, USA

Locality type:Mine
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:A(D3)G6(Si6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
References
References:U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp587-592.
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Little Johnnie Mine (Cathey Nos. 1-5; Unpatented Claims: Little Johnnie Nos. 1-2; Charley Nos. 1-5; Little Johnnie Extension), Goose Creek Mining District, Gunnison Co., Colorado, USA
Nearest other occurrences of Tourmaline
4.1km (2.5 miles) Headlight Mine, Goose Creek Mining District, Gunnison Co., Colorado, USA
20.1km (12.5 miles) Denver City Mine, Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison Co., Colorado, USA
21.4km (13.3 miles) Gold Basin District Occurrence (MS 1984; Patented Claim: Belle Flora), Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison Co., Colorado, USA
22.8km (14.2 miles) Gunnison District Occurrence (W.C. Dillon; MS 10715), Gunnison Mining District, Gunnison Co., Colorado, USA
23.7km (14.7 miles) Lucky Strike Mine (Modoc; MS 17455; Horse Shoe; MS 17122; Belle Valaisane; MS 13897; Only Chance; MS 17455; Mammoth; MS 13897; Patented Claims: Lucky Strike; MS 9125), Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison Co., Colorado, USA
24.7km (15.3 miles) Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison Co., Colorado, USA
46.9km (29.1 miles) Brown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison Co., Colorado, USA
47.0km (29.2 miles) Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison Co., Colorado, USA
47.0km (29.2 miles) Goat Hill No. 1 occurrence, Uravan Mining District, Montrose Co., Colorado, USA
47.0km (29.2 miles) Muscovite Nos. 1; 2 Occurrence, Uravan Mining District, Montrose Co., Colorado, USA
 
Mineral and/or Locality  
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