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It's a showdown with rare earth elemental ore Monazite-(Ce) and index mineral Andalusite.
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Chert from
Kevin Mine (Hanna Mining Company Agent; Butler Brothers), Itasca County, Minnesota, USA


Locality type:Mine
Classification
Type:Chert
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chert data
Locality Data:Click here to view Kevin Mine (Hanna Mining Company Agent; Butler Brothers), Itasca County, Minnesota, USA
Data Identifiers
Mindat Occurrence Record ID:503218
Long-form Identifier:1:3:503218:1
GUID (UUID V4):0
Nearest other occurrences of Chert
0.4km (0.3 miles) ⓘPatrick Annex Mine (Hanna Mining Company Agt; Butler Brothers), Itasca County, Minnesota, USA
0.6km (0.4 miles) ⓘButler Taconite Mine (Langdon Mine; Kelvin Mine; Olson Mine; Snyder Mine; Patrick Annex Mine; Patrick-Ann Mine), Itasca County, Minnesota, USA
0.7km (0.4 miles) ⓘHarrison and Patrick Concentration Plant, Itasca County, Minnesota, USA
0.7km (0.4 miles) ⓘSullivan No. 2 Mine (State of Minnesota), Itasca County, Minnesota, USA
0.9km (0.6 miles) ⓘTaconite Reserve BU-10 Prospect (Butler Brothers; Hanna Mining Company Agt), Itasca County, Minnesota, USA
1.0km (0.6 miles) ⓘOlson Mine (Butler Brothers; Hanna Mining Company Agt), Itasca County, Minnesota, USA
1.1km (0.7 miles) ⓘSnyder Mine (Hanna Mining Company Agt; Butler Brothers), Itasca County, Minnesota, USA
1.3km (0.8 miles) ⓘVernon Mine (Butler Brothers; Hanna Mining Company Agt), Itasca County, Minnesota, USA
1.6km (1.0 miles) ⓘLangdon Mine (Butler Taconite Company-Hanna Mining Company Agt; Butler Brothers), Itasca County, Minnesota, USA
1.6km (1.0 miles) ⓘHelen Mine (Hanna Mining Company Agt; Butler Brothers), Itasca County, Minnesota, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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