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
Armenia Mine (Armania Mine; Angus Smith Mine; Smith Mine), Crystal Falls Township, Iron County, Michigan, USA


Locality type:Mine
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 Armenia Mine (Armania Mine; Angus Smith Mine; Smith Mine), Crystal Falls Township, Iron County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:398595
Long-form Identifier:1:3:398595:3
GUID (UUID V4):0
Nearest other occurrences of Sericite
0.4km (0.3 miles) ⓘMcDonald Mine (North Armenia Mine), Crystal Falls Township, Iron County, Michigan, USA
1.3km (0.8 miles) ⓘLee Peck Mine, Crystal Falls Township, Iron County, Michigan, USA
1.5km (0.9 miles) ⓘCayia Mine (D. M. and M.), Crystal Falls Township, Iron County, Michigan, USA
1.7km (1.1 miles) ⓘHollister Mine, Crystal Falls Township, Iron County, Michigan, USA
2.5km (1.6 miles) ⓘHope Mine, Crystal Falls Township, Iron County, Michigan, USA
10.9km (6.8 miles) ⓘMichigamme Slate, Lake Mary Quadrangle, Mastodon Township, Iron County, Michigan, USA
21.9km (13.6 miles) ⓘSturgeon quartzite, Dickinson County, Michigan, USA
43.4km (27.0 miles) ⓘPayant-Chrissman prospect (Florence County prospect), Aurora, Florence County, Wisconsin, USA
49.3km (30.6 miles) ⓘChampion Mine, Champion, Champion Township, Marquette County, Michigan, USA
52.0km (32.3 miles) ⓘHumboldt train station, Humboldt Township, Marquette County, Michigan, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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