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Empire Mine, Palmer, Marquette iron range, Marquette Co., Michigan, USA
Detailed Mineral List:
| Aegirine |  | |
|---|---|---|
| Formula: | NaFe3+Si2O6 | |
| Reference: | Mineralogy of Michigan (2004) Heinrich & Robinson | |
| Photo: © . Aegirine from Empire Mine, Palmer, Marquette iron range, Marquette Co., Michigan, USA | ||
| Augite | ||
| Formula: | (Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6] | |
| Reference: | Mineralogy of Michigan (2004) Heinrich & Robinson | |
| Biotite | ||
| Reference: | Rocks & Min.:58:111. | |
| Calcite | ||
| Formula: | CaCO3 | |
| Reference: | Personally collected by Travis Olds in 2008 | |
| Chalcopyrite | ||
| Formula: | CuFeS2 | |
| Reference: | Collected by Dan Fountain | |
| 'Chlorite Group' | ||
| Reference: | Rocks & Min.:58:111. | |
| Dolomite | ||
| Formula: | CaMg(CO3)2 | |
| Reference: | Personally collected by Travis Olds in 2008 | |
| 'Garnet' | ||
| Formula: | X3Z2(SiO4)3 | |
| Reference: | Rocks & Min.:58:111. | |
| Goethite |  | |
| Formula: | α-Fe3+O(OH) | |
| Reference: | Rocks & Min.:58:111. | |
| Photo: © Daniel R. Fountain. Goethite from Empire Mine, Palmer, Marquette iron range, Marquette Co., Michigan, USA | ||
| Grunerite | ||
| Formula: | ☐{Fe2+2}{Fe2+5}(Si8O22)(OH)2 | |
| Reference: | Dave Maietta | |
| Hematite |  | |
| Formula: | Fe2O3 | |
| Reference: | Rocks & Min.:58:111. | |
| Photo: © . Hematite from Empire Mine, Palmer, Marquette iron range, Marquette Co., Michigan, USA | ||
| Magnesioriebeckite | ||
| Formula: | ◻[Na2][Mg3Fe3+2]Si8O22(OH)2 | |
| Reference: | Mineralogy of Michigan (2004) Heinrich & Robinson | |
| Magnetite | ||
| Formula: | Fe2+Fe3+2O4 | |
| Reference: | Rocks & Min.:58:111. | |
| Minnesotaite | ||
| Formula: | (Fe,Mg)3(Si4O10)(OH)2 | |
| Reference: | Rocks & Min.:58:111. | |
| 'Olivine' | ||
| Formula: | (Mg,Fe2+)2SiO4 | |
| Reference: | U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| Orthoclase | ||
| Formula: | KAlSi3O8 | |
| Reference: | Dave Maietta | |
| Pyrite |  | |
| Formula: | FeS2 | |
| Reference: | U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| Photo: © Daniel R. Fountain. Pyrite from Empire Mine, Palmer, Marquette iron range, Marquette Co., Michigan, USA | ||
| Pyrophyllite |  | |
| Formula: | Al2(Si4O10)(OH)2 | |
| Reference: | Tim Lemke specimen | |
| Photo: Pyrophyllite from Empire Mine, Palmer, Marquette iron range, Marquette Co., Michigan, USA | ||
| Quartz |  | |
| Formula: | SiO2 | |
| Reference: | U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| Photo: Quartz from Empire Mine, Palmer, Marquette iron range, Marquette Co., Michigan, USA | ||
| Quartz var: Amethyst | ||
| Formula: | SiO2 | |
| Reference: | Rocks & Min.:58:111. | |
| Quartz var: Chert | ||
| Reference: | U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia. | |
| Quartz var: Smoky Quartz | ||
| Formula: | SiO2 | |
| Reference: | Personally collected by Travis Olds in 2008 | |
| Riebeckite | ||
| Formula: | ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2 | |
| Reference: | Rocks & Min.:58:111. | |
| Rutile | ||
| Formula: | TiO2 | |
| Reference: | Dave Maietta | |
| Sepiolite |  | |
| Formula: | Mg4(Si6O15)(OH)2 · 6H2O | |
| Reference: | Identified and verified by SEM/EDS and XRD by George Robinson 2010 | |
| Photo: © Daniel R. Fountain. Sepiolite from Empire Mine, Palmer, Marquette iron range, Marquette Co., Michigan, USA | ||
| Siderite | ||
| Formula: | FeCO3 | |
| Reference: | Personally collected by Travis Olds in 2008 | |
| Stilpnomelane | ||
| Formula: | (K,Ca,Na)(Fe2+,Mg,Al,Fe3+)8(Si,Al)12(O,OH)36 · nH2O | |
| Reference: | Rocks & Min.:58:111. | |
| Thermonatrite | ||
| Formula: | Na2CO3 · H2O | |
| Reference: | Mineralogy of Michigan (2004) Heinrich & Robinson | |
| Trona | ||
| Formula: | Na3H(CO3)2 · 2H2O | |
| Reference: | Mineralogy of Michigan (2004) Heinrich & Robinson | |
29 entries listed. 22 valid minerals.
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