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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Acanthite from
Joe Reynolds (Elida), Lawson Mining District, Clear Creek County, Colorado, USA


Locality type:Mine
Classification
Species:Acanthite
Formula:Ag2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Acanthite data
Locality Data:Click here to view Joe Reynolds (Elida), Lawson Mining District, Clear Creek County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:662007
Long-form Identifier:1:3:662007:3
GUID (UUID V4):0
Nearest other occurrences of Acanthite
0.7km (0.4 miles) ⓘAmerican Sisters Mine, Lawson Mining District, Clear Creek County, Colorado, USA
3.7km (2.3 miles) ⓘAlpine, Lamartine Mining District, Clear Creek County, Colorado, USA
4.7km (2.9 miles) ⓘEclipse Mine, Lamartine Mining District, Clear Creek County, Colorado, USA
5.5km (3.4 miles) ⓘAnglo Saxon Mine, Georgetown District, Clear Creek County, Colorado, USA
6.1km (3.8 miles) ⓘLittle Mattie Mine (Newton Tunnel), Lamartine Mining District, Clear Creek County, Colorado, USA
6.2km (3.9 miles) ⓘGolconda Mine, Fall River, Clear Creek County, Colorado, USA
7.4km (4.6 miles) ⓘGriffith (Kelly; Moline; New Boston; Doric), Georgetown District, Clear Creek County, Colorado, USA
8.0km (5.0 miles) ⓘBride Vein, Idaho Tunnel, Central City Mining District, Clear Creek County, Colorado, USA
8.8km (5.5 miles) ⓘMaine Mine, Illinois Mine, Georgetown District, Clear Creek County, Colorado, USA
8.8km (5.5 miles) ⓘLittle Emma Tunnel, Idaho Springs Mining District (Virginia 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
Sims, P.K. (1963) Geology of uranium and associated ore deposits, central part of the Front Range mineral belt, Colorado. Professional Paper 371. US Geological Survey doi:10.3133/pp371
 
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