Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Psilomelane from
Rio Tinto Mines, Minas de Riotinto, Huelva, Andalusia, Spain


Locality type:Mine
Classification
Species:'Psilomelane' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Psilomelane data
Locality Data:Click here to view Rio Tinto Mines, Minas de Riotinto, Huelva, Andalusia, Spain
Data Identifiers
Mindat Occurrence Record ID:82980
Long-form Identifier:1:3:82980:3
GUID (UUID V4):0
Nearest other occurrences of Psilomelane
78.0km (48.5 miles) ⓘCêrro Gordo Mine, Santana de Cambas, Mértola, Beja, Portugal
79.4km (49.4 miles) ⓘCourela dos Sapateiros e Bicada Mine, Santana de Cambas, Mértola, Beja, Portugal
84.8km (52.7 miles) ⓘCourela dos Sarilhos Mine, Santana de Cambas, Mértola, Beja, Portugal
89.3km (55.5 miles) ⓘVale da Abelheira Mine, Santana de Cambas, Mértola, Beja, Portugal
96.9km (60.2 miles) ⓘCêrro da Horta Mine, Mértola, Mértola, Beja, Portugal
97.1km (60.3 miles) ⓘUmbria do Cerro da Lombada Mine, Mértola, Mértola, Beja, Portugal
98.7km (61.3 miles) ⓘCerro do Ouro - Herdade dos Namorados Mine, Mértola, Mértola, Beja, Portugal
References
Bocamina, (4), (1999) 50-86.
 
and/or  
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