Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Sericite from
Handcart Gulch, Hall Valley (Hall's Valley), Montezuma Mining District, Park County, Colorado, USA


Locality type:Gulch
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 Handcart Gulch, Hall Valley (Hall's Valley), Montezuma Mining District, Park County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:797469
Long-form Identifier:1:3:797469:4
GUID (UUID V4):0
Nearest other occurrences of Sericite
14.5km (9.0 miles) ⓘWhale Lode (Alhambra Mill Site; Silver Falls Lode; T-Boy Tunnel Site), Peru Creek Area, Argentine Mining District, Summit County, Colorado, USA
15.8km (9.8 miles) ⓘHamilton, Breckenridge Mining District, Summit County, Colorado, USA
18.0km (11.2 miles) ⓘJessie Mine (B and B Mines Inc), Breckenridge Mining District, Summit County, Colorado, USA
24.5km (15.2 miles) ⓘBismark Pelican (Pelican - Dives Mine), Georgetown District, Clear Creek County, Colorado, USA
29.8km (18.5 miles) ⓘUrad mine, Dailey Mining District (Jones Pass Mining District), Clear Creek County, Colorado, USA
31.4km (19.5 miles) ⓘHenderson Mine, Dailey Mining District (Jones Pass Mining District), Clear Creek County, Colorado, USA
32.5km (20.2 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
32.9km (20.4 miles) ⓘSweet Home Mine, Detroit City Claim Block, Mount Bross, Alma Mining District, Park County, Colorado, USA
33.4km (20.7 miles) ⓘAmerican Sisters Mine, Lawson Mining District, Clear Creek County, Colorado, USA
33.9km (21.1 miles) ⓘClimax Mine, Climax, Climax Mining District, Lake County, Colorado, USA
References
Bove, D.J., Caine, J.S., and Lowers, H.A., 2012, Geologic and mineralogic controls on acid and metal-rich rock drainage in an alpine watershed, Handcart Gulch, Colorado: U.S. Geological Survey Scientific Investigations Report 2012–5067, 121 p.
 
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