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Chalcedony from Wisconsin, USA

00151420014961143553192.jpg
Lake Superior Agate

Prairie du Chien, Crawford County, Wisconsin, USA
07929760014950910762040.jpg
Agate

Morris pit, Green Lake, Green Lake County, Wisconsin, USA
04883310014974004045292.jpg
Agate

Burkhardt, St. Croix County, Wisconsin, USA
03769090014961143551309.jpg
Lake Superior Agate

Prairie du Chien, Crawford County, Wisconsin, USA
05202280014960826696910.jpg
Lake Superior Agate

Prairie du Chien, Crawford County, Wisconsin, USA
04102230014967274735474.jpg
Agate

Morris pit, Green Lake, Green Lake County, Wisconsin, USA
04883310014974004045292.jpg
Agate

Burkhardt, St. Croix County, Wisconsin, USA
00748330014970443557097.jpg
Lake Superior Agate

Prairie du Chien, Crawford County, Wisconsin, USA
00151420014961143553192.jpg
Lake Superior Agate

Prairie du Chien, Crawford County, Wisconsin, USA
02904020014950911224940.jpg
Agate

Morris pit, Green Lake, Green Lake County, Wisconsin, USA
09949050014947166452823.jpg
Agate

Burkhardt, St. Croix County, Wisconsin, USA
03769090014961143551309.jpg
Lake Superior Agate

Prairie du Chien, Crawford County, Wisconsin, USA
USA
 
  • Wisconsin
Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.
      • Ashland
[Agate var. Lake Superior Agate] Brian Cowger
    • Bayfield County
[Agate] Cordua, William S. (1998) Wisconsin Mineral Locality Index. Rocks & Minerals, 73 (6) 378-399 doi:10.1080/00357529809603078
      • Bayfield
[Agate var. Lake Superior Agate] Brian Cowger
[Agate var. Lake Superior Agate] Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.
[Agate] Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.
    • Crawford County
[Agate] Amir Akhavan edit
    • Douglas County
[Agate] Cordua, William S. (1998) Wisconsin Mineral Locality Index. Rocks & Minerals, 73 (6) 378-399 doi:10.1080/00357529809603078
[Agate] Cordua, William S. (1998) Wisconsin Mineral Locality Index. Rocks & Minerals, 73 (6) 378-399 doi:10.1080/00357529809603078
      • South Range
[Agate] Cordua, W.S. (1990), Amygdule Minerals of the South Range Quarry, Douglas County, Wisconsin: Rocks and Minerals: 65: 412-415. 

Cordua, William S. (1998) Wisconsin Mineral Locality Index. Rocks & Minerals, 73 (6) 378-399 doi:10.1080/00357529809603078
[Agate var. Lake Superior Agate] Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.
[Agate] Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.
    • Green Lake County
      • Green Lake
[Agate] Kevin Ponzio (2014)
[Agate] Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.
[Agate var. Lake Superior Agate] Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.
[Agate var. Lake Superior Agate] Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.
    • Sawyer County
[Agate] Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.
    • St. Croix County
[Agate] William S. Cordua collection
      • Hudson
[Agate] Cordua, William S. (1998) Wisconsin Mineral Locality Index. Rocks & Minerals, 73 (6) 378-399 doi:10.1080/00357529809603078
[Agate] William S. Cordua
[Agate] Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.
 
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