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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Manganite from
Cannon Mine (Bengal-Tully Mine), Stambaugh, Iron River, Iron County, Michigan, USA


Locality type:Mine
Classification
Species:Manganite
Formula:Mn3+O(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Manganite data
Locality Data:Click here to view Cannon Mine (Bengal-Tully Mine), Stambaugh, Iron River, Iron County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:49232
Long-form Identifier:1:3:49232:6
GUID (UUID V4):0
Nearest other occurrences of Manganite
6.9km (4.3 miles) ⓘChicagon mine, Bates Township, Iron County, Michigan, USA
18.7km (11.6 miles) ⓘBalkan-Judson Mine, Alpha, Mastodon Township, Iron County, Michigan, USA
20.7km (12.9 miles) ⓘBristol - Youngstown Mine (Claire; Clare; Bristol; Bristal; Youngstown), Crystal Falls, Iron County, Michigan, USA
26.4km (16.4 miles) ⓘCayia Mine (D. M. and M.), Crystal Falls Township, Iron County, Michigan, USA
66.5km (41.3 miles) ⓘTaylor Mine, Alberta, Baraga County, Michigan, USA
66.7km (41.4 miles) ⓘNorth testpits, Taylor Mine, Alberta, Baraga County, Michigan, USA
78.5km (48.8 miles) ⓘBlueberry Mine, Snowville, Ely Township, Marquette County, Michigan, USA
85.5km (53.1 miles) ⓘJubilee IGA grocery store site, Ishpeming, Marquette County, Michigan, USA
88.5km (55.0 miles) ⓘUnnamed iron formation, Baraga County, Michigan, USA
89.4km (55.6 miles) ⓘJackson Mine (South Jackson pit), Negaunee, 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.109
 
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