| Classification |
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| Species: | Laumontite |
| Formula: | CaAl2Si4O12 · 4H2O |
| Confirmation |
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|
| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Laumontite data |
| Locality Data: | Click here to view Horseshoe Harbor, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 406285 |
| Long-form Identifier: | 1:3:406285:1 |
| GUID (UUID V4): | cf5953cb-cb73-4495-8ec4-1e17de93586f |
| Nearest other occurrences of Laumontite |
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| 4.3km (2.7 miles) | ⓘNew York and Michigan Exploration, Grant Township, Keweenaw County, Michigan, USA |
| 4.4km (2.7 miles) | ⓘHays Point, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 4.7km (2.9 miles) | ⓘVulcan Exploration Copper Mine, Grant Township, Keweenaw County, Michigan, USA |
| 5.2km (3.2 miles) | ⓘManganese Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 5.4km (3.4 miles) | ⓘClark Mine, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 5.7km (3.5 miles) | ⓘLac La Belle exploration, Lac La Belle, Grant Township, Keweenaw County, Michigan, USA |
| 6.5km (4.0 miles) | ⓘPoint Prospect, Grant Township, Keweenaw County, Michigan, USA |
| 6.9km (4.3 miles) | ⓘMontreal Mine, Mosquito Mining District, Copper Harbor, Grant Township, Keweenaw County, Michigan, USA |
| 9.0km (5.6 miles) | ⓘHoar Creek, Grant Township, Keweenaw County, Michigan, USA |
| 9.4km (5.8 miles) | ⓘLakeshore traps, Eagle Harbor, Keweenaw County, Michigan, USA |
| References |
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| Reference Search (possible matching items) |
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 | | Report (issue) | | University University Michigan Townsend Drive Drive 1400Townsend 1400 Houghton, Houghton, Michigan Michigan49931-1...J. the Keweenaw Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, Keweenaw Peninsula...Peninsula, Michigan: Institute on Lake Superior Geology Proceedings, 40th 40thAnnual AnnualMeeting, Meeting..."Field Guide to the Geology Geology of the the Keweenaw Keweenaw Annual Institute Institute on on Lake Lake...Lake Superior Superior Geology Peninsula, Michigan" Michigan" (Bornhorst (Bornhorst and others, 1983) for |  | | Book | | Mineralogy of Michigan by E. W. Heinrich updated and revised • by George W. Robinson M By E W~ Hellnr]ch...Museum Michigan Technological University Houghton, Michigan 49931 2004 © MINERALOGY OF MICHIGAN 3 FOREWORD...FOREWORD Michigan has a long and varied geologic history that includes repeated episodes of volcanism...before the first Europeans set foot here. When Michigan became a state in 1837, one of the first actions...and we continue to learn more about them today. Michigan minerals helped to build the state and nation |  | | Report (issue) | | filling from a basaltic Houghton County lava flow. Small specks of native copper occur as inclusions near the...the surface and between the nodular masses. The Michigan Bicentennial symbol (back cover) incorporates...Survey Division BULLETIN 6 THE MINERALOGY OF MICHIGAN by E. Wm. Heinrich Professor of Mineralogy and...University of Michigan Ann Arhor, Michigan Lansing, Michigan 1976 STATE OF MICHIGAN WILLIAM G. Mrr...State of Michigan CL '48 s.321.6. Printed by Speaker-Hines and Thomas, Inc., Lansing, Michigan. Available |  | | Book | | Lakes States Wisconsin, Indiana, Illinois, Michigan, by June Culp Zeitner $5.95 Gem Guides Book...which operate in many states are not as likely to grant permission to collect as the former locally owned... and Michigan. Dow Chemical has reported finding diamonds in the kimberlites of upper Michigan, and vast...shoreline on both Lake Superior and Lake Michigan. Michigan is the state with the most shoreline on these...fresh water seas, with waters of Lake Superior, Michigan and Huron virtually surrounding it. Illinois and |
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