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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Smithsonite from
Burleigh Mine, Illinois Mine, Georgetown District, Clear Creek County, Colorado, USA


Locality type:Mine
Classification
Species:Smithsonite
Formula:ZnCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Smithsonite data
Locality Data:Click here to view Burleigh Mine, Illinois Mine, Georgetown District, Clear Creek County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:438457
Long-form Identifier:1:3:438457:1
GUID (UUID V4):0
Nearest other occurrences of Smithsonite
0.1km (0.1 miles) ⓘMendota Mine, Illinois Mine, Georgetown District, Clear Creek County, Colorado, USA
0.2km (0.1 miles) ⓘMendota Mine - Victoria Tunnel & Shaft, Georgetown District, Clear Creek County, Colorado, USA
0.6km (0.4 miles) ⓘDiamond Mine (Diamond Tunnel), Illinois Mine, Georgetown District, Clear Creek County, Colorado, USA
20.3km (12.6 miles) ⓘJones Mine, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
21.9km (13.6 miles) ⓘTwo Sisters occurrence, Eureka Mining District, Gilpin County, Colorado, USA
33.1km (20.5 miles) ⓘSallie Barber Mine, Breckenridge Mining District, Summit County, Colorado, USA
33.1km (20.6 miles) ⓘLittle Sally Barber, Breckenridge Mining District, Summit County, Colorado, USA
33.8km (21.0 miles) ⓘWellington Mine (Siam Tunnel; Old Oro Tunnel; Mill Tunnel; Liberty Tunnel; Extenuate Tunnel; Wellington Tunnel; Abundance Tunnel; New Tunnel; Oro Shaft), Breckenridge Mining District, Summit County, Colorado, USA
38.2km (23.8 miles) ⓘF.M.D. Mine, Evergreen Mining District (Malachite Mining District), Jefferson County, Colorado, USA
45.6km (28.4 miles) ⓘIron Mask Mine, Kokomo-Tenmile area, Summit County, Colorado, USA
References
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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