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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Sericite from
Michigamme Slate, Lake Mary Quadrangle, Mastodon Township, Iron County, Michigan, USA


Locality type:Occurrence
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 Michigamme Slate, Lake Mary Quadrangle, Mastodon Township, Iron County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:401019
Long-form Identifier:1:3:401019:7
GUID (UUID V4):0
Nearest other occurrences of Sericite
10.1km (6.3 miles) ⓘLee Peck Mine, Crystal Falls Township, Iron County, Michigan, USA
10.1km (6.3 miles) ⓘCayia Mine (D. M. and M.), Crystal Falls Township, Iron County, Michigan, USA
10.2km (6.3 miles) ⓘHope Mine, Crystal Falls Township, Iron County, Michigan, USA
10.9km (6.8 miles) ⓘArmenia Mine (Armania Mine; Angus Smith Mine; Smith Mine), Crystal Falls Township, Iron County, Michigan, USA
11.3km (7.0 miles) ⓘMcDonald Mine (North Armenia Mine), Crystal Falls Township, Iron County, Michigan, USA
12.4km (7.7 miles) ⓘHollister Mine, Crystal Falls Township, Iron County, Michigan, USA
26.7km (16.6 miles) ⓘSturgeon quartzite, Dickinson County, Michigan, USA
32.7km (20.3 miles) ⓘPayant-Chrissman prospect (Florence County prospect), Aurora, Florence County, Wisconsin, USA
57.1km (35.5 miles) ⓘChampion Mine, Champion, Champion Township, Marquette County, Michigan, USA
58.6km (36.4 miles) ⓘHumboldt train station, Humboldt Township, Marquette County, Michigan, USA
References
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
 
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