Vote for your favorite mineral in #MinCup26! - Cuprite vs. Halite
While externally similar shapes, these two minerals are very different inside.
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Tetrahedrite Subgroup from
New Cornelia Mine, Ajo, Little Ajo Mountains, Ajo Mining District, Pima County, Arizona, USA


Locality type:Mine
Classification
Species:'Tetrahedrite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)Sb4S12S
Comments:Nuclei of composite grains whose borders are composed of bornite and chalcopyrite. Contains subordinate tennantite.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Bornite
Chalcopyrite
Tennantite Subgroup
Data
Mineral Data:Click here to view Tetrahedrite Subgroup data
Locality Data:Click here to view New Cornelia Mine, Ajo, Little Ajo Mountains, Ajo Mining District, Pima County, Arizona, USA
Data Identifiers
Mindat Occurrence Record ID:46687
Long-form Identifier:1:3:46687:1
GUID (UUID V4):0
Nearest other occurrences of Tetrahedrite Subgroup
81.5km (50.6 miles) ⓘReward Mine (Bat tunnel; South Reward; Petrochis claim; Phenomenon), Kohatk, Vekol Mining District, Vekol Mountains, Pinal County, Arizona, USA
94.8km (58.9 miles) ⓘMildren Mine group, Ko Vaya, Cababi Mining District (Comobabi Mining District), Comobabi Mountains, Pima County, Arizona, USA
94.8km (58.9 miles) ⓘMildren Mine (Mildren claim; Mildred Mine), Mildren Mine group, Ko Vaya, Cababi Mining District (Comobabi Mining District), Comobabi Mountains, Pima County, Arizona, USA
97.2km (60.4 miles) ⓘSteppe Mine (Steppe claim; Little Mary Mine), Mildren Mine group, Ko Vaya, Cababi Mining District (Comobabi Mining District), Comobabi Mountains, Pima County, Arizona, USA
References
Gilluly, J. (1937), AZ Bur. Mines Bull. 141: 68-75, 79-81
Gilluly, J. (1946), The Ajo mining district, Arizona, USGS PP 209: 89
Thomas, William J., Gibbs, Ronald B. (1983) Famous Mineral Localities: The New Cornelia Mine, Ajo, Arizona. The Mineralogical Record, 14 (5) 283-298
 
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