Seneca #1 Mine (Gratiot Mines), Mohawk, Keweenaw Co., Michigan, USA

Photo: Paul T. Brandes

Latitude: 47°18'41"N
Longitude: 88°21'45"W

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Ref.: Rocks & Min.: 58:111. A copper mine.

Mineral List

Algodonite
Analcime
Baryte
Calcite
Copper

Datolite
Domeykite
Epidote
Microcline
Natrolite

Nickeline ?
Nickelskutterudite
Prehnite
'Pumpellyite'
Pumpellyite-(Mg)

Quartz
Silver

17 entries listed. 16 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2012. Jobs in Michigan, USA Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: 9th Feb 2012 03:52:15