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Saponite from
St. Louis Mine Exploration, Laurium, Houghton Co., Michigan, USA

Classification
Species:Saponite
Formula:Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O
Comments: Occurs as a soft, greasy, late stage mineral throughout the Michigan Copper Range. (many colors)
Confirmation
Validity:Believed Valid
References
References:Mineralogy of Michigan, Heinrich-Robinson.
Associated Minerals Based on Photo Data:
Pumpellyite3 photos of Saponite associated with Pumpellyite at this locality.
Quartz2 photos of Saponite associated with Quartz at this locality.
Microcline1 photo of Saponite associated with Microcline at this locality.
Copper1 photo of Saponite associated with Copper at this locality.
Data
Mineral Data:Click here to view Saponite data
Locality Data:Click here to view St. Louis Mine Exploration, Laurium, Houghton Co., Michigan, USA
Nearest other occurrences of Saponite
2.9km (1.8 miles) No. 2 shaft, Centennial Mine, Centennial Heights, Houghton Co., Michigan, USA
3.4km (2.1 miles) South Kearsarge Mine, Kearsarge, Houghton Co., Michigan, USA
3.6km (2.2 miles) Osceola Amygdaloid, Osceola, Houghton Co., Michigan, USA
3.6km (2.2 miles) Calumet, Calumet Township, Houghton Co., Michigan, USA
4.0km (2.5 miles) Laurium Mine, Laurium, Houghton Co., Michigan, USA
4.6km (2.9 miles) Tamarack Mine, Tamarack, Calumet Township, Houghton Co., Michigan, USA
5.2km (3.2 miles) La Salle Mine, Osceola, Houghton Co., Michigan, USA
7.6km (4.7 miles) Ahmeek Mine, Ahmeek, Keweenaw Co., Michigan, USA
11.1km (6.9 miles) Iroquois Mine, Mohawk, Keweenaw Co., Michigan, USA
19.5km (12.1 miles) Isle Royale Mines, Houghton, Houghton Co., Michigan, USA
 
Mineral and/or Locality  
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