|
USA | |
|
| Hall, C. (1998) Identifying Gems & Precious Stones (The new compact study guide and identifier). Chartwell Books, Inc., 80 pp. (p. 20). |
|
| Jay Ellis Ransom,1974, Gems and Minerals of America |
|
| Tony Nickischer |
|
| (2005) Mineral Resources Data System (MRDS), US Geological Survey.
Am Min 49:430-435 |
|
| Jay Ellis Ransom,1974, Gems and Minerals of America |
|
| Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825 |
|
| Betts, John (n.d.) John Betts website listing. |
|
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
|
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
- Gallatin Gateway (Salesville)
| Heinrich, W. E. 1948. Pegmatite Mineral Deposits in Montana, Montana Bureau of Mines and Geology, Memoir 28. |
|
| Rocks & Min.: 20:60. |
|
| (2005) Mineral Resources Data System (MRDS), US Geological Survey.
AmJourSci:33(1912):54
Dana 6:A3:10
Rocks & Min.: 20:60. |
|
| Rocks & Min.: 20:60. |
|
| GΓΌbelin, E. and Wolgensinger, M. (1976) Edelstenen. Uitgeverij Artis, Brussel (in Dutch). |
|
| Luetcke, Rolf (n.d.) Personal communication. |
|
| USGS Bull 269 |
|
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
|
| Econ Geol (1984) 79:573-579 |
|
| Berg MBMG Sapphires- of Deer Lodge-Butte area 2007 |
|
| Jay Ellis Ransom,1974, Gems and Minerals of America |
|
| If there is sapphire there must be corundum. |
|
| GΓΌbelin, E. and Wolgensinger, M. (1976) Edelstenen. Uitgeverij Artis, Brussel (in Dutch). |
|
| U.S. BUR. MINES IC 7602, 1951, P. 43-44. |
|
| MONTANA BUREAU OF MINES & GEOLOGY MEMOIR 31, 1949, P. 47. |
|
| Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825
Chris Tucker and John Betts specimens. |
- Helena Mining District (Spring Hill Mining District)
| GΓΌbelin, E. and Wolgensinger, M. (1976) Edelstenen. Uitgeverij Artis, Brussel (in Dutch).
Richard Gunter specimen |
|
| Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825
Chris Tucker and John Betts specimens. |
|
| Mike Royal specimen |
- Alder Gulch Mining District (Virginia City Mining District; Fairweather Mining District)
| Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825 |
|
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
|
| Collection : Arliguie M |
|
| Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825 |
|
| USGS Bull 269 |
|
| Gobla, Michael J. (2012) Montana Mineral Locality Index. Rocks & Minerals, 87 (3) 208-240 doi:10.1080/00357529.2012.676825 |
- Tidal Wave Mining District
| Winchell, Alexander Newton (1914) Mining districts of the Dillon quadrangle, Montana, and adjacent areas. Bulletin Vol. 574. US Geological Survey doi:10.3133/b574 |
|
| USGS Bull 269 |
|
| Jay Ellis Ransom,1974, Gems and Minerals of America |
- Butte Mining District (Summit Valley Mining District)
| Berg, R.B. 2007 "Sapphires in the Butte-Deer Lodge Area, Montana" Montana Bureau of Mines and Geology, Bull. 134 |
Missouri River gravel bar, Helena area, Helena Mining District, Lewis and Clark County, Montana, USA