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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Calcite from
Old Yuma Mine, Tucson Mountain District Saguaro National Park, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Vanadinite22
Wulfenite8
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Old Yuma Mine, Tucson Mountain District Saguaro National Park, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:13165
Long-form Identifier:1:3:13165:6
GUID (UUID V4):0
Nearest other occurrences of Calcite
1.8km (1.1 miles) ⓘUnnamed Cu prospect 120-35, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
2.7km (1.7 miles) ⓘUnnamed Cu prospect 120-48, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
4.0km (2.5 miles) ⓘUnnamed Cu prospect 96-16, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
4.1km (2.5 miles) ⓘUnnamed Cu prospect 96-4, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
4.6km (2.9 miles) ⓘUnnamed Cu prospect 119-2, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
5.1km (3.2 miles) ⓘUnnamed Cu prospect 97-23, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
5.2km (3.2 miles) ⓘUnnamed Cu-Pb prospect 97-13, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
5.2km (3.2 miles) ⓘUnnamed Cu prospect 97-12, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
5.5km (3.4 miles) ⓘUnnamed Cu-Zn prospect 97-21, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
5.8km (3.6 miles) ⓘBusterville Mine, Avra, Amole Mining District, Tucson Mountains, Pima County, Arizona, USA
References
Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 102 (Table 4).
 
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