| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Copper |
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| DESCRIPTION: | No. 46882 |
| Mineral: | Copper |
| Locality: | Northwestern Mine, Keweenaw Peninsula Copper District, Keweenaw County, Michigan |
| Description: | Large flattened triangular native copper crystal with red patina. The copper formed in sheet-crystals with milky quartz between layers. The rear face of the crystal is rough where it was in contact with the wall. Stands nicely upright without support. Collected August 2003 by Paul Labonte; ex. John Jaszczak collection #2616 |
| Overall Size: | 5x3.5x1.5 cm |
| Crystals: | 30 mm |
| Archived: | For reference only |
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