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Laumontite from
Starkweather copper prospects (Edwards Mine; Wisconsin Mine), Douglas County, Wisconsin, USA


Locality type:Prospect
Classification
Species:Laumontite
Formula:CaAl2Si4O12 · 4H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Laumontite data
Locality Data:Click here to view Starkweather copper prospects (Edwards Mine; Wisconsin Mine), Douglas County, Wisconsin, USA
Data Identifiers
Mindat Occurrence Record ID:242007
Long-form Identifier:1:3:242007:3
GUID (UUID V4):0
Nearest other occurrences of Laumontite
2.6km (1.6 miles) ⓘSouth Range Quarry, South Range, Douglas County, Wisconsin, USA
3.5km (2.2 miles) ⓘMabel Nelson Road Quarry, Douglas County, Wisconsin, USA
5.5km (3.4 miles) ⓘBuckley Quarry, Amnicon Falls, Douglas County, Wisconsin, USA
7.7km (4.8 miles) ⓘNorth Wisconsin prospect, Douglas County, Wisconsin, USA
10.1km (6.3 miles) ⓘChippewa Mine, Douglas County, Wisconsin, USA
10.8km (6.7 miles) ⓘCopper Creek prospects, Douglas County, Wisconsin, USA
25.5km (15.8 miles) ⓘSolon Springs Quarry, Douglas County, Wisconsin, USA
27.7km (17.2 miles) ⓘPercival copper prospects, Douglas County, Wisconsin, USA
39.5km (24.6 miles) ⓘBig Sucker Creek, Saint Louis County, Minnesota, USA
42.6km (26.5 miles) ⓘKnife River, Saint Louis County, Minnesota, USA
References
Grant, U. S. (1901), Preliminary report on the copper-bearing rocks of Douglas County, Wisconsin, 2nd Ed.: Wisconsin Geological and Natural History Survey Bull. VI Economic Series #3, 83 p.
Dutton, C. E. (1972) Sampling of Copper-bearing Keweenawan Rocks of Northwestern Wisconsin: U.S. Geological Survey Open File Report 9.1267, 13p.
 
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