| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Pyrite-Marcasite nodule |
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| DESCRIPTION: | No. 76500 |
| Mineral: | Pyrite-Marcasite nodule |
| Locality: | near Steamboat Springs, Routt County, Colorado |
| Description: | Spherical nodule of yellow-metallic pyrite and marcasite crystals. All tests of similar nodules from Colorado limestone deposits indicate that both pyrite and marcasite are present and these should be considered mixed composition. Collected ca. 1992 |
| Overall Size: | 13x12x12 mm |
| Crystals: | 1-2 mm |
| Archived: | For reference only |
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