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
Colorado Feldspar Pegmatite, Cotopaxi Mining District, Fremont County, Colorado, USA


Locality type:Pegmatite
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 Colorado Feldspar Pegmatite, Cotopaxi Mining District, Fremont County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:374376
Long-form Identifier:1:3:374376:8
GUID (UUID V4):0
Nearest other occurrences of Sericite
5.9km (3.7 miles) ⓘCotopaxi Mine (Cotopaxi lode; Gumaer Mine; Fannie lode; Fannie Mill), Mine Gulch, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA
6.8km (4.3 miles) ⓘPine Ridge pegmatite, Cotopaxi Pegmatite area, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA
9.3km (5.8 miles) ⓘMcCoy prospects, Cotopaxi Pegmatite area, Cotopaxi, Cotopaxi Mining District, Fremont County, Colorado, USA
13.3km (8.3 miles) ⓘGoldie carbonatite, Fremont County, Colorado, USA
23.2km (14.4 miles) ⓘIron Mountain Mine (Iron Mountain Deposit; Iron Mountain Titaniferous Magnetite Deposit), McClure Mountain Complex, Fremont County, Colorado, USA
27.8km (17.2 miles) ⓘLorain Pegmatite, Eight Mile Park Pegmatite Mining District, Fremont County, Colorado, USA
31.8km (19.7 miles) ⓘDawson Gold project, Fremont County, Colorado, USA
36.7km (22.8 miles) ⓘVilla Grove Turquoise Mine, Bonanza Mining District (Kerber Creek Mining District; Blake Mining District), Saguache County, Colorado, USA
37.4km (23.2 miles) ⓘSedalia Mine (Sedalia Copper Mine), Sedalia Mining District, Chaffee County, Colorado, USA
44.7km (27.8 miles) ⓘMount Robinson Deposit (Cowan Knoll), Rosita Mining District, Custer County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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