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Columbite-(Mn) : (Mn,Fe)(Nb,Ta)2O6 | |
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Emmons Quarry (Uncle Tom Mt. Quarry), Uncle Tom Mt, Greenwood, Oxford Co., Maine, USA Columbite crystal in vug collected by me at the Emmons Quarry in August 2000. FOV = 2.5 mm. Specimen resides in my collection. |
| © SMS 2005 | Photo ID: 31320 View Count: 844 |
Columbite-(Mn) : (Mn,Fe)(Nb,Ta)2O6 | |
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Emmons Quarry (Uncle Tom Mt. Quarry), Uncle Tom Mt, Greenwood, Oxford Co., Maine, USA Columbite crystals in vug collected by me in August 2000. FOV = 2.5 mm. Specimen resides in my collection. |
| © SMS 2005 | Photo ID: 31321 View Count: 334 |
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White Pine Mine, White Pine, Ontonagon Co., Michigan, USA Complex crystallized copper with some silver towards the upper right corner of the specimen. Photo is about 8.6 mm in length. Ex collection of Pat Rutowski, Midwest Mineralogical and Lapidary Society. Photo and specimen: Steve Stuart. |
| © SMS 2008 | Photo ID: 157659 View Count: 77 |
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Demix-Varennes quarry, Saint-Amable sill, Varennes & St-Amable, Lajemmerais RCM, Montérégie, Québec, Canada Hexagonal cordylite-(Ce). The orange mineral may be yofortierite but that is not confirmed. Photo is about 2.1 mm in length. Specimen from Bill Lechner, now in Steve Stuart collection. Photo by Steve Stuart. |
| © SMS 2008 | Photo ID: 173086 View Count: 77 |
Cordylite-(Ce) : (Na,Ca)BaCe2(CO3)4F | |
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Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Tapered hexagonal prism of orange cordylite-(Ce) on a thumbnail specimen I purchased at the 2009 Detroit Mineral Show. Image is about 8.5 mm in length. Photo and specimen: Steve Stuart. |
| © SMS 2009 | Photo ID: 256245 View Count: 26 |
Corundum : Al2O3 | |
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Poudrette quarry (Demix quarry; Uni-Mix quarry; Desourdy quarry), Mont Saint-Hilaire, Rouville RCM, Montérégie, Québec, Canada Hexagonal blue corundum associated with spessartine on this specimen collected by Jonathan Levinger in November 2004. Photo is about 2.2 mm in length. Photo and specimen; Steve Stuart. |
| © SMS 2007 | Photo ID: 101793 View Count: 101 |
Crocoite : Pb(CrO4) | |
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Dundas mineral field, Zeehan district, Tasmania, Australia Tiny crocoite crystal about 1 mm in length. Photo by Steve Stuart. The specimen is in his collection. |
| Photo ID: 28829 View Count: 260 | |
Crocoite : Pb(CrO4) | |
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Adelaide Mine (Adelaide Pty Mine; Adelaide Proprietary Mine), Dundas mineral field, Zeehan District, Tasmania, Australia Crocoite crystal associated with others that are coated with what is probably gibbsite. Photo is about 3.1 mm in length. Photo and specimen: Steve Stuart. |
| © SMS 2008 | Photo ID: 151115 View Count: 51 |
Cuprite : Cu2O | |
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Ray Mine, Scott Mountain area, Mineral Creek District (Ray District), Dripping Spring Mts, Pinal Co., Arizona, USA Cuprite crystals. Photo is 2.5 mm in length and was taken by Steve Stuart. The specimen resides in his collection. |
| © SMS 2005 | Photo ID: 33463 View Count: 269 |
Cuprite : Cu2O | |
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Allouez Mine, Allouez, Keweenaw Co., Michigan, USA Complex cuprite crystal(s). Photo is about 4.3 mm in length. Specimen comes from a micromount collection I recently purchased. Photo and specimen: Steve Stuart. |
| © SMS 2007 | Photo ID: 138316 View Count: 116 |
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