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Gypsum from
Unnamed coal mine, Weld Co., Colorado, USA

Locality type:Mine
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
References
References:Zielinski, R. A., Otton, J. K., & Johnson, C. A. (2001). Sources of salinity near a coal mine spoil pile, north-central Colorado. Journal of environmental quality, 30(4), 1237-1248.
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Unnamed coal mine, Weld Co., Colorado, USA
Nearest other occurrences of Gypsum
12.3km (7.7 miles) Lafayette, Weld Co., Colorado, USA
38.4km (23.9 miles) Schwartzwalder Mine (Ralston Creek Mine), Ralston Buttes Mining District, Jefferson Co., Colorado, USA
40.6km (25.2 miles) Loveland Quarry (United States Gypsum Quarry), Larimer Co., Colorado, USA
45.4km (28.2 miles) Coon Gulch Clay Pits, Lower Clear Creek Area, Jefferson Co., Colorado, USA
54.6km (33.9 miles) Johnson Reservoir, Jefferson Co., Colorado, USA
58.9km (36.6 miles) Quartz Hill, Central City Mining District (Central Mining District), Gilpin Co., Colorado, USA
63.4km (39.4 miles) Belcher, Nevada, Gilpin Co., Colorado, USA
77.5km (48.1 miles) Owl Canyon, Larimer Co., Colorado, USA
78.2km (48.6 miles) Payrock Mine, Illinois Mine, Georgetown District, Clear Creek Co., Colorado, USA
83.8km (52.1 miles) Henderson Mine, Dailey Mining District (Jones Pass Mining District), Clear Creek Co., Colorado, USA
 
Mineral and/or Locality  
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