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Apjohnite : Mn2+Al2(SO4)4·22H2O | |
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Alum Cave Bluff, Great Smoky Mts, Sevier Co., Tennessee, USA Overall size: 19 x 14 x 11 mm Photo and collection Antonio Borrelli |
| © Antonio Borrelli | Photo ID: 60220 View Count: 298 |
Apjohnite : Mn2+Al2(SO4)4·22H2O | |
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Alum Cave Bluff, Great Smoky Mts, Sevier Co., Tennessee, USA Width of field 3.2 mm. Collection of Jesse Crawford. Compositing software: CombineZP. Equipment: Nikon D-100 digital camera on a homemade microscope. |
| © 2008 Jesse Crawford | Photo ID: 190740 View Count: 49 |
Coskrenite-(Ce) : (Ce,Nd,La)2[(SO4)2|C2O4] · 12H2O | |
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Alum Cave Bluff, Great Smoky Mts, Sevier Co., Tennessee, USA 1.6mm xl of coskrenite-Ce oriented so that you are looking across the B-axis. Dennis Coskren collection. JBS photo. |
| © JBS 2006 | Photo ID: 54870 View Count: 367 |
Coskrenite-(Ce) : (Ce,Nd,La)2[(SO4)2|C2O4] · 12H2O | |
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Alum Cave Bluff, Great Smoky Mts, Sevier Co., Tennessee, USA A nice, 2mm cluster of coskrenite-Ce xls in apjohnite from Alum Cave Bluff. Dennis Coskren collection. JBS photo. |
| © JBS 2006 | Photo ID: 54866 View Count: 219 |
Coskrenite-(Ce) : (Ce,Nd,La)2[(SO4)2|C2O4] · 12H2O | |
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Alum Cave Bluff, Great Smoky Mts, Sevier Co., Tennessee, USA Tiny, .3mm coskrenite-Ce xls in clusters on schistose country rock from Alum Cave Bluff. Dennis Coskren collection. JBS photo. |
| © JBS 2006 | Photo ID: 54868 View Count: 215 |
Coskrenite-(Ce) : (Ce,Nd,La)2[(SO4)2|C2O4] · 12H2O | |
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Alum Cave Bluff, Great Smoky Mts, Sevier Co., Tennessee, USA Very large, 3mm cluster of pink coskrenite-Ce xls on matrix from Alum Cave Bluff. Dennis Coskren collection. JBS photo. |
| © JBS 2006 | Photo ID: 54873 View Count: 193 |
Coskrenite-(Ce) : (Ce,Nd,La)2[(SO4)2|C2O4] · 12H2O | |
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Alum Cave Bluff, Great Smoky Mts, Sevier Co., Tennessee, USA 1.7mm aggregate of xls in a pocket in apjohnite. JBS collection and photo. |
| © JBS 2006 | Photo ID: 79321 View Count: 143 |
Coskrenite-(Ce) : (Ce,Nd,La)2[(SO4)2|C2O4] · 12H2O | |
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Alum Cave Bluff, Great Smoky Mts, Sevier Co., Tennessee, USA Field of view approximately 2 mm., Obtained in a trade at the Baltimore Mineral Society's 2006 Desautels Symposium from Dr. Dennis Coskren, after whom coskrenite was named. See Mineralogical Record, Vol 31, March-April 2000, for comprehensive article by Dr. Coskren on the mineralogy of this special and unique locality. "The Minerals of Alum Cave ... |
| © Jake Slagle | Photo ID: 222009 View Count: 69 |
Levinsonite-(Y) : (Y,Nd,La)Al(SO4)2(C2O4)·12H2O | |
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Alum Cave Bluff, Great Smoky Mts, Sevier Co., Tennessee, USA Exceptional, 3mm group of tabular levinsonite-Y xls on matrix. Most likely the finest known specimen. Dennis Coskren collection. JBS photo. |
| © JBS 2006 | Photo ID: 54876 View Count: 310 |
Levinsonite-(Y) : (Y,Nd,La)Al(SO4)2(C2O4)·12H2O | |
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Alum Cave Bluff, Great Smoky Mts, Sevier Co., Tennessee, USA Colourless thick tabular crystal of levinsonite-(Y). Picture size 1 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 8105 View Count: 551 |
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