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While externally similar shapes, these two minerals are very different inside.
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Malachite from
Sierra Pinta Mountains, Yuma County, Arizona, USA


Locality type:Mountain Range
Classification
Species:Malachite
Formula:Cu2(CO3)(OH)2
Comments:An alteration product of chalcocite in quartz veins.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Malachite data
Locality Data:Click here to view Sierra Pinta Mountains, Yuma County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:251797
Long-form Identifier:1:3:251797:1
GUID (UUID V4):0
Nearest other occurrences of Malachite
16.9km (10.5 miles) ⓘBryan Mountain prospect, Bryan Mountains, Yuma County, Arizona, USA
21.4km (13.3 miles) ⓘUnnamed Ag-Cu-Au-Fe prospect, Barry M. Goldwater Air Force Range, Yuma County, Arizona, USA
37.2km (23.1 miles) ⓘMcMillan prospect, Barry M. Goldwater Air Force Range, Cabeza Prieta Mountains, La Posa Mining District (Wellton Mining District; Wellton Hills Mining District), Wellton Hills-Copper Mountains, Yuma County, Arizona, USA
43.1km (26.8 miles) ⓘBell and Unnamed prospects, Pima County, Arizona, USA
47.6km (29.6 miles) ⓘRed Cross Mine (Norton Mine), Barry M. Goldwater Air Force Range, Mohawk Mining District, Mohawk Mountains, Yuma County, Arizona, USA
49.3km (30.7 miles) ⓘUnnamed Cu-Au prospect, Barry M. Goldwater Air Force Range, Yuma County, Arizona, USA
50.5km (31.4 miles) ⓘBetty Lee Mine (Betty Lee group; Arizona Consolidated), Frisco-Betty Lee-Ella J. Mine group, Barry M. Goldwater Air Force Range, Copper Mountains, La Posa Mining District (Wellton Mining District; Wellton Hills Mining District), Wellton Hills-Copper Mountains, Yuma County, Arizona, USA
56.8km (35.3 miles) ⓘRuby prospect, U.S. Army Yuma Proving Grounds, Mohawk Mining District, Mohawk Mountains, Yuma County, Arizona, USA
63.3km (39.3 miles) ⓘCopper Giant claims, New Cornelia Mine area, New Cornelia Mine, Ajo, Little Ajo Mountains, Ajo Mining District, Pima County, Arizona, USA
63.8km (39.6 miles) ⓘArkansas Mountain, New Cornelia Mine, Ajo, Little Ajo Mountains, Ajo Mining District, Pima County, Arizona, USA
References
Wilson, E.D. (1933), AZ Bur. Mines Bull. 134: 157-159.
 
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