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
American Sisters Mine, Lawson Mining District, Clear Creek County, Colorado, 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 American Sisters Mine, Lawson Mining District, Clear Creek County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:661990
Long-form Identifier:1:3:661990:9
GUID (UUID V4):0
Nearest other occurrences of Sericite
3.5km (2.2 miles) ⓘInvincible (Baltimore; Brighton; Silver Link; Blackwood; Alpine; Roca; Brownell; Frelland; Lance; Mint; Mammoth; Belle Creole; Ariadne; Diamond Mt.; Miller; Cecil; Falcon; Harrisburg; C. M. Welch), Lamartine Mining District, Clear Creek County, Colorado, USA
4.6km (2.9 miles) ⓘSilver Mountain Occurrence, Silver Mountain Ore Zone, Upper Union Mining District, Clear Creek County, Colorado, USA
4.9km (3.0 miles) ⓘGold Dirt Mine, Silver Mountain Ore Zone, Upper Union Mining District, Clear Creek County, Colorado, USA
4.9km (3.1 miles) ⓘGold Fissure Mine, Silver Mountain Ore Zone, Upper Union Mining District, Clear Creek County, Colorado, USA
7.7km (4.8 miles) ⓘStanley Mine (Gehrmann; Cooper; York; Whale; Golden Link), Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
9.0km (5.6 miles) ⓘJewelry Shop Mine (West Gold Mine; Sylvanite Mine), Lamartine Mining District, Clear Creek County, Colorado, USA
9.3km (5.8 miles) ⓘKirk Mine, Quartz Hill, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
10.5km (6.5 miles) ⓘBismark Pelican (Pelican - Dives Mine), Georgetown District, Clear Creek County, Colorado, USA
16.0km (9.9 miles) ⓘGerman and Belcher, Quartz Hill, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
16.5km (10.3 miles) ⓘUrad mine, Dailey Mining District (Jones Pass Mining District), Clear Creek County, Colorado, USA
References
Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223
 
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