Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Chert from
Crandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USA


Locality type:Deposit
Classification
Type:Chert
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chert data
Locality Data:Click here to view Crandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USA
Data Identifiers
Mindat Occurrence Record ID:615682
Long-form Identifier:1:3:615682:4
GUID (UUID V4):0
Nearest other occurrences of Chert
69.2km (43.0 miles) ⓘZimmerman Mine, Buck Group, Gaastra, Iron County, Michigan, USA
69.3km (43.1 miles) ⓘYoungs Mine (Newman Mine), Gaastra, Iron County, Michigan, USA
69.3km (43.1 miles) ⓘBaltic Mine, Buck Mine, Buck Group, Gaastra, Iron County, Michigan, USA
69.3km (43.1 miles) ⓘDegrasse Mine, Buck Group, Gaastra, Iron County, Michigan, USA
69.4km (43.1 miles) ⓘBuck Mine, Buck Group, Gaastra, Iron County, Michigan, USA
69.6km (43.3 miles) ⓘShaft No. 2, Fogarty Mine, Buck Mine, Buck Group, Gaastra, Iron County, Michigan, USA
69.9km (43.4 miles) ⓘHiawatha Group, Stambaugh, Iron River, Iron County, Michigan, USA
69.9km (43.4 miles) ⓘCottrell Mine, Berkshire Mine, Buck Group, Gaastra, Iron County, Michigan, USA
70.1km (43.5 miles) ⓘBerkshire Mine, Buck Group, Gaastra, Iron County, Michigan, USA
70.1km (43.6 miles) ⓘCorry '40' Mine, Berkshire Mine, Buck Group, Gaastra, Iron County, Michigan, USA
References
Lambe, Robert N., Rowe, Roger G. (1987) Volcanic history, mineralization, and alteration of the Crandon massive sulfide deposit, Wisconsin. Economic Geology, 82 (5) 1204-1238 doi:10.2113/gsecongeo.82.5.1204
 
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