| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from South Dakota > Columbite-(Fe) |
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| DESCRIPTION: | No. 33735 |
| Mineral: | Columbite-(Fe) |
| Locality: | Etta Mine, Keystone District, Pennington County, South Dakota |
| Description: | Crystallized mass of black columbite-(Fe) with striated crystal surfaces (no terminations). For more information see the article: Minerals of the Etta Pegmatite, Black Hills, South Dakota in Rocks and Minerals Nov.-Dec. 1992. Ex. John A. Rorer, Jr. collection #136; Purchased by Jack Rorer while stationed in Denver, Co |
| Overall Size: | 4x3x2 cm |
| Crystals: | |
| Archived: | For reference only |
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