| Locality type: | Mine |
| Classification |
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| Species: | Calcite |
| Formula: | CaCO3 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Calcite data |
| Locality Data: | Click here to view Iron City Mine (Empire Mine), Mosquito Mining District, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 172579 |
| Long-form Identifier: | 1:3:172579:7 |
| GUID (UUID V4): | 1f0f4957-b40d-4812-8bfe-4a48ef6ae267 |
| Nearest other occurrences of Calcite |
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| 1.6km (1.0 miles) | ⓘAetna Exploration Copper Mine, Grant Township, Keweenaw County, Michigan, USA |
| 4.5km (2.8 miles) | ⓘMedora Mine, Mandan, Grant Township, Keweenaw County, Michigan, USA |
| 5.2km (3.2 miles) | ⓘLakeshore traps, Eagle Harbor, Keweenaw County, Michigan, USA |
| 5.2km (3.3 miles) | ⓘMandan Mine, Mandan, Grant Township, Keweenaw County, Michigan, USA |
| 5.4km (3.4 miles) | ⓘMontreal Mine, Mosquito Mining District, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 5.6km (3.5 miles) | ⓘCopper Harbor Conglomerate stromatolite outcrops, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 5.8km (3.6 miles) | ⓘLake Manganese Vein, Manganese Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 5.8km (3.6 miles) | ⓘBete Grise Bay, Bete Grise, Grant Township, Keweenaw County, Michigan, USA |
| 6.0km (3.7 miles) | ⓘDan's Point, Eagle Harbor, Keweenaw County, Michigan, USA |
| 6.5km (4.0 miles) | ⓘMendota Mine, Mount Bohemia, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Journal (article/letter/editorial) | | Michigan’s Copper Country News from the Keweenaw Recent Mineral Finds in Michigan’s Copper Country Downloaded...A l t h o u g h commercial copper mining has come to an end in the Copper Country, specimens reminiscent...heyday of mining are still being recovered. When one thinks of superb specimens from the Keweenaw, memories...groups of copper and silver crystals, colorful porcelaneous nodules of datolite, and copper inclusions...inclusions in calcite crystals come to mind. Surprisingly, specimens mined and collected in the last few years |  | | Journal (article/letter/editorial) | | Lake Superior copper deposits, home to the world’s largest occurrence of native copper. Indeed, many...sport flecks of native copper, and specimens exist of datolite intergrown with copper crystals, but that’s...that’s getting ahead of the story. Michigan’s Copper Country datolite has been collected, prized, fashioned...in celebrating the rich mineral heritage of the Keweenaw Peninsula’s datolite by diving into this article...Dyl II, Director A. E. Seumnii Mineral Museum Michigan Technological University 170 ROCKS 81MINERALS |  | | Journal (article/letter/editorial) | | 2015 Figure 2. A generalized map of the Michigan copper district showing the location of new finds mentioned...Besse. arborescent copper crystal groups cached at the Central mine town site, (2) copper crystals recovered...Gull Rock fissure vein, (3) hundreds of copper from the Indiana mine, and (4) more than two hundredV aecilS...analcime/calcitecrystal groups from the Rhode Island mine. This article describes these and other finds made...starting with Keweenaw Point and continuing in a southwestern direction to the White Pine mine at the southern |  | | Journal (article/letter/editorial) | | exceptional group of copper crystals recovered from a large vug in the fissure vein of the Cliff mine; the largest...Probably the best arborescent silver from the Cliff mine, this specimen is 9.5 × 10.5 cm and was originally...18. This calcite from the Cliff mine is 3.6 cm long and perched on a matrix of spongy copper. It was originally...on earth (Bornhorst and Rose 1994). At the Cliff mine it thickens to more than 1,300 feet and remains...the formation of tabular deposits of fissure vein copper in the thin underlying lava flows. Mineralization |  | | Journal (article/letter/editorial) | | COPPER-BEARING FISSURE VEINS Keweenaw County, Michigan Downloaded by [University of Delaware] at 05:05...05:05 09 June 2012 Lake Superior Native Copper District Fifteenth in a series of articles on the mines...Michigan’s Copper Country 298 ROCKS & MINERALS Figure 1. Considered by some to be the finest copper specimen...world, this 6 × 8-cm crystallized copper specimen came from the Central mine and was in the collection of...and the piece is now on display in the special Copper Country collection case; Jeff Scovil photo. Downloaded |
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