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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Pyrolusite from
Rio Tinto Mines, Minas de Riotinto, Huelva, Andalusia, Spain


Locality type:Mine
Classification
Species:Pyrolusite
Formula:Mn4+O2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrolusite data
Locality Data:Click here to view Rio Tinto Mines, Minas de Riotinto, Huelva, Andalusia, Spain
Data Identifiers
Mindat Occurrence Record ID:82981
Long-form Identifier:1:3:82981:2
GUID (UUID V4):0
Nearest other occurrences of Pyrolusite
12.0km (7.4 miles) ⓘPalanco mine, Zalamea la Real, Huelva, Andalusia, Spain
12.6km (7.8 miles) ⓘSoloviejo Mines, Almonaster la Real, Huelva, Andalusia, Spain
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
79.8km (49.6 miles) ⓘPreguiça No. 6 Mine, Sobral da Adiça, Moura, Beja, Portugal
79.8km (49.6 miles) ⓘSerra da Abelheira Mine, Sobral da Adiça, Moura, Beja, Portugal
83.7km (52.0 miles) ⓘCerros de Santa Bárbara Seixo Branco and Eira do Brejo Mines, Alcoutim e Pereiro, Alcoutim, Faro, 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
References
Bocamina, (4), (1999) 50-86.
 
and/or  
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