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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Malachite from
Georgetown-Silver Plume Mining District (Griffith Mining District; Silver Plume Mining District), Clear Creek County, Colorado, USA


Locality type:Mining District
Classification
Species:Malachite
Formula:Cu2(CO3)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Malachite data
Locality Data:Click here to view Georgetown-Silver Plume Mining District (Griffith Mining District; Silver Plume Mining District), Clear Creek County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:358237
Long-form Identifier:1:3:358237:4
GUID (UUID V4):0
Nearest other occurrences of Malachite
11.7km (7.3 miles) ⓘWhale Lode (Alhambra Mill Site; Silver Falls Lode; T-Boy Tunnel Site), Peru Creek Area, Argentine Mining District, Summit County, Colorado, USA
12.8km (8.0 miles) ⓘOld Settler Mine & Tunnel, Lawson Mining District, Clear Creek County, Colorado, USA
14.9km (9.3 miles) ⓘAlma Lincoln Mine, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
15.8km (9.8 miles) ⓘWinning Card (American Eagle; Eliza Jane), Peru Creek area, Argentine Mining District, Summit County, Colorado, USA
17.9km (11.1 miles) ⓘTigris, Lawson Mining District, Clear Creek County, Colorado, USA
18.3km (11.4 miles) ⓘGem (Freighter's Friend), Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
21.3km (13.2 miles) ⓘEvergreen Mine (Gold Standard; Nancy Lee), Apex Mining District (Kingston Mining District; Pine Mining District), Gilpin County, Colorado, USA
22.0km (13.7 miles) ⓘBonanza, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
23.6km (14.7 miles) ⓘMissouri Mine, Hall Valley (Hall's Valley), Montezuma Mining District, Park County, Colorado, USA
28.5km (17.7 miles) ⓘOld Soda Creek School Pegmatite, Clear Creek Pegmatite Province, Jefferson County, Colorado, USA
References
USGS PP 223(Lovering,1950)
 
and/or  
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