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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Frondelite from
Chão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal


Locality type:Mine
Classification
Species:Frondelite
Formula:(Mn2+0.5Fe3+0.5)2Fe33+(PO4)3(OH)5
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
SEM-EDS
Data
Mineral Data:Click here to view Frondelite data
Locality Data:Click here to view Chão do Castanheiro, Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:1090519
Long-form Identifier:1:3:1090519:3
GUID (UUID V4):0
Nearest other occurrences of Frondelite
1.1km (0.7 miles) ⓘCubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
22.2km (13.8 miles) ⓘSítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal
28.1km (17.5 miles) ⓘAssunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
41.3km (25.7 miles) ⓘVela Nordeste quarry, Vela, Guarda, Guarda, Portugal
48.2km (29.9 miles) ⓘBendada Mines, Bendada, Sabugal, Guarda, Portugal
48.2km (29.9 miles) ⓘFonte da Cal Mine, Bendada Mines, Bendada, Sabugal, Guarda, Portugal
References
Alves, Pedro (n.d.) Personal communication.
 
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