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Prehnite from Michigan, USA

USA
 
  • Michigan
    • Gogebic County
      • Gogebic iron range
        • Bessemer
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
    • Gratiot County
      • Ithaca
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
www.deq.state.mi.us/documents/deq-glm-rcim-geology-Minerals_Found_In_Michigan.Pdf.
      • Adams Township
        • Atlantic Mine
Rocks & Minerals:58:109.
        • Baltic
USGS PP144
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
      • Calumet Township
        • Calumet
Rocks & Min.:58:109 & 64:150.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
        • Centennial Heights
          • Centennial Mine
Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297.
USGS PP144
        • Kearsarge
Larry Maltby collection, photo id 681954
Yalmer Primeau collection
        • Osceola
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
Yalmer Primeau collection
Yalmer Primeau collection
        • Wolverine
Rocks & Min.: 13:137.
Rosemeyer, T. (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals: 82(4): 276-297.
      • Elm River Township
        • Winona
USGS PP144
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
      • Franklin Township
        • Boston
Rosemeyer, Tom (2005) The Occurrence of Porcelaneous Datolite in Michigan's Lake Superior Copper District. Rocks & Minerals, 80 (3) 154-177 doi:10.3200/rmin.80.3.154-177
USGS PP144
        • Franklin Mine
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
        • Pewabic
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
        • Ripley
      • Hancock
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
      • Houghton
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
        • Isle Royal Mines
Yalmer F Primeau collection
      • Osceola Township
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
USGS PP144
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
      • Portage Township
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 109.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
      • Quincy Township
Dana 6: 1086.
      • Schoolcraft Township
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
    • Keweenaw County
      • Allouez Township
        • Ahmeek
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
USGS PP144
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
USGS PP144
        • Allouez
          • Allouez Mine
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Yalmer Primeau collection
Bornhorst, T.J., Barron, R.J. (2011) Copper deposits of the western Upper Peninsula of Michigan. The Geological Society of America Field Guide 24: 83-99.
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Rosemeyer, T. (2022). News from the Keweenaw: Part 5β€”Recent Mineral Finds in Michigan’s Copper Country: Twenty-ninth in a series of articles on the mines and minerals of Michigan’s Copper Country. Rocks & Minerals, 97(4), 354-363.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Yalmer Primeau collection
        • Mohawk
Rocks & Min.: 21:664.
Henwood, W.J. (1871) Observations on Metalliferous Deposits: On the Native Copper of Lake Superior. Transactions of the Royal Geological Society of Cornwall 8(1): 385-489.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Rosemeyer, T. (2022). News from the Keweenaw: Part 5β€”Recent Mineral Finds in Michigan’s Copper Country: Twenty-ninth in a series of articles on the mines and minerals of Michigan’s Copper Country. Rocks & Minerals, 97(4), 354-363.
        • Ojibway
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
        • Seneca
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
          • Seneca Mine
Tom Rosemeyer, pers. comm.
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Henwood, W.J. (1871) Observations on Metalliferous Deposits: On the Native Copper of Lake Superior. Transactions of the Royal Geological Society of Cornwall 8(1): 385-489.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
        • Copper Falls
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Yalmer Primeau collection
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
      • Grant Township
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
        • Bete Grise
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
Rocks & Min.:58:182.
          • Mosquito Mining District
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
R&M 78:3 p180
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
        • Delaware
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
Allan Blaske collection
        • Lac La Belle
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
        • Mandan
Yalmer F Primeau
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
The Copper Country Rock & Mineral Club (2001) Red Gold and Tarnished Silver, 2nd Ed. 44 pages.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District (Part 1). Rocks & Minerals, 84:4, 298-306.
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District (Part 2). Rocks & Minerals, 84:4, 307-319.
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District (Part 3). Rocks & Minerals, 84:4, 320-323.
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
      • Houghton Township
        • Central
William S. Cordua collection
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
[Mineralogical Record - Vol 23 No. 2
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
        • Eagle River
Personally collected by Paul Brandes in 1995
Bornhorst, T.J., Barron, R.J. (2011) Copper deposits of the western Upper Peninsula of Michigan. The Geological Society of America Field Guide 24: 83-99.
        • Phoenix
Yalmer Primeau field observations 2014
Yalmer Primeau collection
Henwood, W.J. (1871) Observations on Metalliferous Deposits: On the Native Copper of Lake Superior. Transactions of the Royal Geological Society of Cornwall 8(1): 385-489.
Rosemeyer, T. (2009) Copper-bearing Fissure Veins, Keweenaw County, Michigan, Lake Superior Native Copper District. Rocks & Minerals: 84(4): 298-323.
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 111.
Personal observation- Jim Daly
self collected on 8-2004
      • Isle Royale National Park
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Rosemeyer, T. 2011 New from the Keweenaw: Part 4 - Recent Mineral Finds in Michigan's Copper Country. Rocks & Minerals 86:205-227
My general knowledge-Rock Currier
    • Ontonagon County
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
      • Greenland Township
        • Greenland
see photos
        • Winona
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Henwood, W.J. (1871) Observations on Metalliferous Deposits: On the Native Copper of Lake Superior. Transactions of the Royal Geological Society of Cornwall 8(1): 385-489.
Henwood, W.J. (1871) Observations on Metalliferous Deposits: On the Native Copper of Lake Superior. Transactions of the Royal Geological Society of Cornwall 8(1): 385-489.
Henwood, W.J. (1871) Observations on Metalliferous Deposits: On the Native Copper of Lake Superior. Transactions of the Royal Geological Society of Cornwall 8(1): 385-489.
      • Mass City
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
        • Mass Consolidated Mine
Morris Jr., T. (1983) Michigan Mineralogy: A Locality Index. Rocks & Minerals: 58(3): 112. Rosemeyer, T. (1990) Through the Scope: Microminerals of the Caledonia Mine Ontonagon County, Michigan. Rocks & Minerals: 65(3): 240.
Allan Blaske collection
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Henwood, W.J. (1871) Observations on Metalliferous Deposits: On the Native Copper of Lake Superior. Transactions of the Royal Geological Society of Cornwall 8(1): 385-489.
      • Ontonagon
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
      • Rockland
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
Henwood, W.J. (1871) Observations on Metalliferous Deposits: On the Native Copper of Lake Superior. Transactions of the Royal Geological Society of Cornwall 8(1): 385-489.
      • Victoria
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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