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Columbite-(Fe)
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| Mineral: | Columbite-(Fe): Fe++Nb2O6 | |||||
| Comments: | Dark, coaly black, weathered granular ferrocolumbite. This specimen was originally identified as samarskite-(Y) and corrected by Fred Davis who studied the locality. | |||||
| Location: | Spinelli Samarskite Prospect, Glastonbury, Hartford Co., Connecticut, USA. | |||||
| Scale: | Picture size 4 mm. | |||||
| Copyright: | © Paul M. Schumacher | |||||
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