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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Sphalerite from
Buck Mine, Buck Group, Gaastra, Iron County, Michigan, USA


Locality type:Mine
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Buck Mine, Buck Group, Gaastra, Iron County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:50611
Long-form Identifier:1:3:50611:5
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
1.3km (0.8 miles) ⓘHiawatha Group, Stambaugh, Iron River, Iron County, Michigan, USA
2.0km (1.3 miles) ⓘCannon Mine (Bengal-Tully Mine), Stambaugh, Iron River, Iron County, Michigan, USA
5.1km (3.2 miles) ⓘRogers Mine, Bates Township, Iron County, Michigan, USA
6.0km (3.7 miles) ⓘSherwood Mine, Mineral Hills, Iron River, Iron County, Michigan, USA
63.4km (39.4 miles) ⓘOhio Mines (Imperial Mine; Webster Mine), Imperial Heights, Baraga County, Michigan, USA
69.4km (43.1 miles) ⓘCrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USA
83.1km (51.6 miles) ⓘMichigan Mine, Ely Township, Marquette County, Michigan, USA
83.8km (52.1 miles) ⓘPeninsula Mine, Greenwood, Ely Township, Marquette County, Michigan, USA
87.0km (54.0 miles) ⓘRopes Gold Mine, Ishpeming Greenstone belt (Marquette Greenstone belt), Ishpeming Township, Marquette County, Michigan, USA
90.8km (56.4 miles) ⓘSilver Creek West prospect, Ishpeming Greenstone belt (Marquette Greenstone belt), Champion Township, Marquette County, Michigan, USA
References
Morris, Tom (1983) Michigan Mineralogy. A locality Index. Rocks & Minerals, 58 (3). 107-113 doi:10.1080/00357529.1983.11767128p.111
 
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