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Chalcedony from Minnesota, USA

08818620017056517286701.jpg
Eye Agate

Dakota County, Minnesota, USA
06859200017057235771982.jpg
Binghamite

Cuyuna North Range, Crow Wing County, Minnesota, USA
09844450014948132827314.jpg
Agate

Burlington Bay, Two Harbors, Lake County, Minnesota, USA
00230880014949120424262.jpg
Chalcedony

Mary Ellen pit, St. Louis County, Minnesota, USA
00150940017055913482681.jpg
Eye Agate

Dakota County, Minnesota, USA
06859200017057235771982.jpg
Binghamite

Cuyuna North Range, Crow Wing County, Minnesota, USA
00331720014966449217368.jpg
Agate

Burlington Bay, Two Harbors, Lake County, Minnesota, USA
03548910014977268584439.jpg
Chalcedony

Mary Ellen pit, St. Louis County, Minnesota, USA
02467900017056635956089.jpg
Eye Agate

Dakota County, Minnesota, USA
08378110017057235833284.jpg
Binghamite

Cuyuna North Range, Crow Wing County, Minnesota, USA
03102900014947545639008.jpg
Agate

Burlington Bay, Two Harbors, Lake County, Minnesota, USA
00230880014949120424262.jpg
Chalcedony

Mary Ellen pit, St. Louis County, Minnesota, USA
USA
 
[Agate var. Lake Superior Agate] www.dnr.state.mn.us/education/geology/digging/agate.html.
[Agate var. Lake Superior Agate] Jay Ellis Ransom,1974, Gems and Minerals of America
[Agate var. Lake Superior Agate] Jay Ellis Ransom,1974, Gems and Minerals of America
[Agate var. Lake Superior Agate] Jay Ellis Ransom,1974, Gems and Minerals of America
[Agate var. Lake Superior Agate] Jay Ellis Ransom,1974, Gems and Minerals of America
[Agate var. Lake Superior Agate] Yalmer Primeau collection
[Agate] Takehiro Touge
      • Tofte
[Agate var. Lake Superior Agate] Brian Cowger
[Agate] Jay Ellis Ransom,1974, Gems and Minerals of America
[var. Binghamite] [www.wmnh.com]
[Agate var. Lake Superior Agate] Jay Ellis Ransom,1974, Gems and Minerals of America
[Agate var. Lake Superior Agate] Jay Ellis Ransom,1974, Gems and Minerals of America
[Agate var. Lake Superior Agate] Jay Ellis Ransom,1974, Gems and Minerals of America
    • Lake County
[Agate var. Lake Superior Agate] files.dnr.state.mn.us (n.d.) http://files.dnr.state.mn.us/maps/state_parks/spk00172_summer.pdf
[Agate var. Lake Superior Agate]
[Agate] Ojakangas, R. W. and Matsch, C. L. (1982): Minnesota's Geology. U of Minnesota Press. 255p.
[Agate]
[Agate] Green, J. C. (1987). Plateau basalts of the Keweenawan North Shore Volcanic Group. Geol. Soc. Am. Centennial Field Guideβ€”North-Central Section, 59-62.
Ojakangas, R. W. and Matsch, C. L. (1982): Minnesota's Geology. U of Minnesota Press. 255p
[Agate] Roadside Geology of Minnesota (2009) Ojakangas, R.W.
[Agate var. Lake Superior Agate] Jay Ellis Ransom,1974, Gems and Minerals of America
[Agate] Takehiro Touge
[Agate var. Lake Superior Agate] Jay Ellis Ransom,1974, Gems and Minerals of America
    • Pine County
[Agate] Yalmer Primeau collection
    • Renville County
Boerboom, T. L. (2014) Characterization of the Franklin peridotite and other similar intrusions in east-central and southwestern Minnesota: Minnesota Geological Survey Report of Investigations 70, 20 p.
[Agate var. Lake Superior Agate] Jay Ellis Ransom,1974, Gems and Minerals of America
      • Duluth
[Agate var. Lake Superior Agate] Brian Cowger
    • Stearns County
[Agate var. Lake Superior Agate] Brian Cowger
[Agate var. Lake Superior Agate] Ann Wessel (2014) Central Minnesota prime spot for agate hunting. April 27, 2014, St. Cloud Times
[Agate var. Lake Superior Agate] Jay Ellis Ransom,1974, Gems and Minerals of America
[Agate var. Lake Superior Agate] Jay Ellis Ransom,1974, Gems and Minerals of America
[Agate var. Lake Superior Agate] Jay Ellis Ransom,1974, Gems and Minerals of America
 
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