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Cummingtonite from
Jackson County Iron Mine (Black River Falls Mine; Ron Mound; Seven Mile Mound Mine; Red Mound), Jackson County, Wisconsin, USA


03423670017360511372267.jpg
Cummingtonite, etc.

Jackson County Iron Mine, Jackson County, Wisconsin, USA
03047440017360511417601.jpg
Cummingtonite, etc.

Jackson County Iron Mine, Jackson County, Wisconsin, USA
03464920017339890416445.jpg
Cummingtonite, etc.

Jackson County Iron Mine, Jackson County, Wisconsin, USA
06582360017272031493820.jpg
Cummingtonite, etc.

Jackson County Iron Mine, Jackson County, Wisconsin, USA
03464920017339890416445.jpg
Cummingtonite, etc.

Jackson County Iron Mine, Jackson County, Wisconsin, USA
06582360017272031493820.jpg
Cummingtonite, etc.

Jackson County Iron Mine, Jackson County, Wisconsin, USA
Locality type:Mine
Classification
Species:Cummingtonite
Formula:◻Mg2Mg5(Si8O22)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Talc3
Chlorite Group2
Almandine1
Magnetite1
Data
Mineral Data:Click here to view Cummingtonite data
Locality Data:Click here to view Jackson County Iron Mine (Black River Falls Mine; Ron Mound; Seven Mile Mound Mine; Red Mound), Jackson County, Wisconsin, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:128163
Long-form Identifier:1:3:128163:7
GUID (UUID V4):0
Nearest other occurrences of Cummingtonite
74.4km (46.2 miles) ⓘBig Falls, Eau Claire County, Wisconsin, USA
References
Kimball, Karen, 1979, "Co-existing amphiboles at Black River Falls, Wisconsin", Abst. 25th Annual Institute on Lake Superior Geology, Duluth, U of M-Duluth, p. 22-23.
Kimball, K. and Spear, F. (1984) Metamorphic Petrology of the Jackson County Iron Formation, Wisconsin. Canadian Mineralogist: 22: 605-619.
 
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