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Sericite from
Grummett prospect, Greenwood, Ely Township, Marquette County, Michigan, USA


Locality type:Prospect
Classification
Species:Muscovite var: Sericite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sericite data
Locality Data:Click here to view Grummett prospect, Greenwood, Ely Township, Marquette County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:671585
Long-form Identifier:1:3:671585:4
GUID (UUID V4):0
Nearest other occurrences of Sericite
3.1km (1.9 miles) ⓘRopes Gold Mine, Ishpeming Greenstone belt (Marquette Greenstone belt), Ishpeming Township, Marquette County, Michigan, USA
10.5km (6.5 miles) ⓘHumboldt train station, Humboldt Township, Marquette County, Michigan, USA
12.4km (7.7 miles) ⓘSilver Creek West prospect, Ishpeming Greenstone belt (Marquette Greenstone belt), Champion Township, Marquette County, Michigan, USA
18.0km (11.2 miles) ⓘUnnamed aplite, Goose Lake, Richmond Township, Marquette County, Michigan, USA
18.1km (11.3 miles) ⓘChampion Mine, Champion, Champion Township, Marquette County, Michigan, USA
27.9km (17.4 miles) ⓘYellow Dog peridotite, Michigamme Township, Marquette County, Michigan, USA
28.2km (17.5 miles) ⓘPings-Case prospect, Sands Township, Marquette County, Michigan, USA
30.6km (19.0 miles) ⓘHarvey, Chocolay Township, Marquette County, Michigan, USA
39.1km (24.3 miles) ⓘSturgeon quartzite, Dickinson County, Michigan, USA
44.2km (27.5 miles) ⓘHuron River Uranium prospect (MRDS - 10171055), Huron River, Baraga County, Michigan, USA
References
Snelgrove, A.K., W.A. Seaman and V.L. Ayres (1944) Strategic Minerals Investigation in Marquette and Baraga Counties 1943. Michigan Geological Survey Progress Report 10
 
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