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Chamosite from
Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA


Locality type:Lava Flow
Classification
Species:Chamosite
Formula:Fe52+Al(AlSi3O10)(OH)8
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz6
- var Agate6
Data
Mineral Data:Click here to view Chamosite data
Locality Data:Click here to view Lakeshore traps, Eagle Harbor Township, Keweenaw County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:852525
Long-form Identifier:1:3:852525:3
GUID (UUID V4):0
Nearest other occurrences of Chamosite
31.4km (19.5 miles) ⓘCliff Mine, Allouez Township, Keweenaw County, Michigan, USA
33.0km (20.5 miles) ⓘOjibway Mine, Ojibway, Allouez Township, Keweenaw County, Michigan, USA
45.3km (28.2 miles) ⓘSt. Louis Mine Exploration, Schoolcraft Township, Houghton County, Michigan, USA
References
Larry Maltby, The Mineralogy of Michigan, Henrich-Robinson describes the chlorite in Keweenaw Co. as chamosite forming a solid solution series with clinochlore. The dark green to black chlorite has consistently proven to be chamosite.
 
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