Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Calcite from
Pioneer Mine (German-American Mine; Pioneer claims; Treadwell gp/shaft; Thirty-Fifth Parallel shaft; Snowball), Pioneer vein (German-American vein), Oatman, Oatman Mining District, Black Mountains, Mohave County, Arizona, USA


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Comments:Coarse-grained.
Colour:Gray
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Pioneer Mine (German-American Mine; Pioneer claims; Treadwell gp/shaft; Thirty-Fifth Parallel shaft; Snowball), Pioneer vein (German-American vein), Oatman, Oatman Mining District, Black Mountains, Mohave County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:191521
Long-form Identifier:1:3:191521:1
GUID (UUID V4):0
Nearest other occurrences of Calcite
1.3km (0.8 miles) ⓘBig Jim Mine, Tom Reed vein, Oatman, Oatman Mining District, Black Mountains, Mohave County, Arizona, USA
1.4km (0.9 miles) ⓘGold Dust Mine (Victor-Virgin Mine), Gold Dust vein (Victor-Virgin vein), Oatman Mining District, Black Mountains, Mohave County, Arizona, USA
1.7km (1.0 miles) ⓘGold Reed Mine, Oatman, Oatman Mining District, Black Mountains, Mohave County, Arizona, USA
1.8km (1.1 miles) ⓘLeland Mine (Mitchell Mine), Leland vein, Oatman, Oatman Mining District, Black Mountains, Mohave County, Arizona, USA
2.3km (1.4 miles) ⓘVivian Mine (Jack's shaft; Oro Fino group; Lelland-Mitchell-Vivian group), Oatman, Oatman Mining District, Black Mountains, Mohave County, Arizona, USA
2.4km (1.5 miles) ⓘUnited Eastern Mine (Tom Reed Extension Mine), Tom Reed vein, Oatman, Oatman Mining District, Black Mountains, Mohave County, Arizona, USA
2.5km (1.6 miles) ⓘTom Reed Mine, Tom Reed vein, Oatman, Oatman Mining District, Black Mountains, Mohave County, Arizona, USA
2.8km (1.7 miles) ⓘMidnight Mine [1], Midnight vein, Oatman, Oatman Mining District, Black Mountains, Mohave County, Arizona, USA
2.9km (1.8 miles) ⓘWhitehouse group (Martine Brucite Mine), Oatman Mining District, Black Mountains, Mohave County, Arizona, USA
3.0km (1.9 miles) ⓘPasadena Boy Mine (Pasadena Mine), Tom Reed vein, Oatman, Oatman Mining District, Black Mountains, Mohave County, Arizona, USA
References
Wilson, E.D., et al (1934), AZ Bur. of Mines Bull. 137: 94-95.
 
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