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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Chalcanthite from
Buckskin Joe Mine (Buckskin Joe; Phillips Mine), Alma Mining District, Park County, Colorado, USA


Locality type:Mine
Classification
Species:Chalcanthite
Formula:CuSO4 · 5H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcanthite data
Locality Data:Click here to view Buckskin Joe Mine (Buckskin Joe; Phillips Mine), Alma Mining District, Park County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:489057
Long-form Identifier:1:3:489057:7
GUID (UUID V4):0
Nearest other occurrences of Chalcanthite
4.6km (2.8 miles) ⓘPennsylvania Tunnel, Horseshoe Basin Mining District, Park County, Colorado, USA
12.2km (7.6 miles) ⓘIbex Mine, Breece Hill, Leadville, Lake County, Colorado, USA
15.0km (9.3 miles) ⓘGreenback Mine, Iron Hill, Lake County, Colorado, USA
34.1km (21.2 miles) ⓘWhale Mine, Montezuma Mining District, Park County, Colorado, USA
35.0km (21.8 miles) ⓘGround Hog Mine, Battle Mountain, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
37.5km (23.3 miles) ⓘEagle Mine, Gilman, Gilman Mining District (Battle Mountain Mining District; Red Cliff Mining District), Eagle County, Colorado, USA
38.7km (24.1 miles) ⓘSilver Wave mine, Montezuma Area, Summit County, Colorado, USA
43.2km (26.9 miles) ⓘCongress; Rothschild; Pennsylvania (Minerou Tunnel), Argentine Mining District, Summit County, Colorado, USA
45.3km (28.1 miles) ⓘWhale Lode (Alhambra Mill Site; Silver Falls Lode; T-Boy Tunnel Site), Peru Creek Area, Argentine Mining District, Summit County, Colorado, USA
58.1km (36.1 miles) ⓘCentennial group (Barrel; Big I.), Georgetown District, Clear Creek 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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