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Laumontite from
South Range Quarry, South Range, Douglas Co., Wisconsin, USA

Locality type:Quarry
Formula:CaAl2Si4O12 · 4H2O
Validity:Believed Valid
References:Cordua, W.S. (1990), Amygdule Minerals of the South Range Quarry, Douglas County, Wisconsin: Rocks and Minerals: 65: 412-415. 

Mineral Data:Click here to view Laumontite data
Locality Data:Click here to view South Range Quarry, South Range, Douglas Co., Wisconsin, USA
Nearest other occurrences of Laumontite
2.6km (1.6 miles) Starkweather copper prospects (Edwards Mine; Wisconsin Mine), Douglas Co., Wisconsin, USA
3.0km (1.9 miles) Buckley Quarry, Amnicon Falls, Douglas Co., Wisconsin, USA
5.3km (3.3 miles) North Wisconsin prospect, Douglas Co., Wisconsin, USA
5.9km (3.7 miles) Mabel Nelson Road Quarry, Douglas Co., Wisconsin, USA
7.5km (4.7 miles) Chippewa Mine, Douglas Co., Wisconsin, USA
13.4km (8.3 miles) Copper Creek prospects, Douglas Co., Wisconsin, USA
25.1km (15.6 miles) Percival copper prospects, Douglas Co., Wisconsin, USA
41.4km (25.7 miles) Knife River, St. Louis Co., Minnesota, USA
48.9km (30.4 miles) Montrose copper prospects, Bayfield Co., Wisconsin, USA
53.1km (33.0 miles) Mudge prospect, Washburn Co., Wisconsin, USA
Mineral and/or Locality  
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