| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Gruenerite in Magnetite |
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| DESCRIPTION: | No. 65411 |
| Mineral: | Gruenerite in Magnetite |
| Locality: | Michigamme Mine, Marquette County, Michigan |
| Description: | Rich specimen of lustrous fibrous (acicular) yellow-green gruenerite crystals in fine-grained black magnetite that is strongly magnetic. The gruenerite crystals are exposed on all sides of the specimen. Ex. D. Miller collection #M875, originally acquired from Excalibur Mineral Co. |
| Overall Size: | 5x3x1.5 cm |
| Crystals: | 4-7 mm |
| Archived: | For reference only |
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