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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Copper Stain from
Unnamed Cu prospect Ml15, Canada del Oro Mining District (Cañada del Oro Mining District), Pima County, Arizona, USA


Locality type:Prospect
Classification
Species:'Copper Stain' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Copper Stain data
Locality Data:Click here to view Unnamed Cu prospect Ml15, Canada del Oro Mining District (Cañada del Oro Mining District), Pima County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:538275
Long-form Identifier:1:3:538275:0
GUID (UUID V4):0
Nearest other occurrences of Copper Stain
3.0km (1.9 miles) ⓘUnnamed Cu prospect Ml11, Canada del Oro Mining District (Cañada del Oro Mining District), Pima County, Arizona, USA
3.2km (2.0 miles) ⓘUnnamed Cu prospect Ml17, Canada del Oro Mining District (Cañada del Oro Mining District), Pima County, Arizona, USA
10.4km (6.5 miles) ⓘUnnamed Cu prospect Ml29, Pima County, Arizona, USA
13.8km (8.6 miles) ⓘUnnamed Cu prospect Ml26, Bear Canyon, Pima County, Arizona, USA
26.1km (16.2 miles) ⓘUnnamed Cu prospect 95-16, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
26.2km (16.3 miles) ⓘUnnamed Cu-Mo-Pb prospect 95-17, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
26.5km (16.5 miles) ⓘUnnamed Cu prospect 95-20, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
27.0km (16.8 miles) ⓘUnnamed Cu prospect 96-6, Arizona Consolidated Mine group, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
27.2km (16.9 miles) ⓘUnnamed Cu prospect 96-14, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
27.5km (17.1 miles) ⓘUnnamed Cu prospect 96-8, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
References
MRDS database Dep. ID file #10039718, MRDS ID #M050697.
 
and/or  
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