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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Chalcopyrite from
Loma Linda Mine (Loma Linda pit), Middle Pass Mining District, Cochise County, Arizona, USA


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Loma Linda Mine (Loma Linda pit), Middle Pass Mining District, Cochise County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:534579
Long-form Identifier:1:3:534579:3
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.4km (0.2 miles) ⓘCobre Loma Mine (Cobre Loma prospect; Cobre Loma pit), Middle Pass Mining District, Cochise County, Arizona, USA
0.9km (0.5 miles) ⓘThe Pit prospect, Middle Pass Mining District, Cochise County, Arizona, USA
1.2km (0.8 miles) ⓘMissionary shaft, Middlemarch Mine, Middle Pass Mining District, Cochise County, Arizona, USA
1.2km (0.8 miles) ⓘMiddlemarch Mine, Middle Pass Mining District, Cochise County, Arizona, USA
1.3km (0.8 miles) ⓘMiddlemarch Mine slag locality, Middlemarch Mine, Middle Pass Mining District, Cochise County, Arizona, USA
2.2km (1.4 miles) ⓘSan Juan Mine (San Juan group; Gordon Mine; Mann adit; Sulphide adit; Silver adit), Gordon Camp, Middle Pass Mining District, Cochise County, Arizona, USA
2.2km (1.4 miles) ⓘChristmas Mine (Dragoon Mine; Christmas prospect), Middle Pass Mining District, Cochise County, Arizona, USA
2.7km (1.7 miles) ⓘStandard Tungsten Mine (Head Center Mine; Black Prince Mine; Johnny Boy Mine; Johnnie Boy No. 1 Mine; Barite prospect; Kreis Mine), Black Diamond Peak, Middle Pass Mining District, Cochise County, Arizona, USA
2.7km (1.7 miles) ⓘUnnamed Cu-Ag prospect, Middle Pass Mining District, Cochise County, Arizona, USA
3.2km (2.0 miles) ⓘFesterling Mine (Elsicor Mine; Cora Mine), Black Diamond Peak, Middle Pass Mining District, Cochise County, Arizona, USA
References
MRDS database Dep. ID file #10109855, MRDS ID #M800320.
 
and/or  
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