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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Columbite-(Fe)-Columbite-(Mn) Series from
Unnamed pegmatite quarry, Maçainhas, Belmonte, Castelo Branco, Portugal


Locality type:Quarry
Classification
Species:'Columbite-(Fe)-Columbite-(Mn) Series' (not an IMA approved species)
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Columbite-(Fe)-Columbite-(Mn) Series data
Locality Data:Click here to view Unnamed pegmatite quarry, Maçainhas, Belmonte, Castelo Branco, Portugal
Data Identifiers
Mindat Occurrence Record ID:1219643
Long-form Identifier:1:3:1219643:4
GUID (UUID V4):0
Nearest other occurrences of Columbite-(Fe)-Columbite-(Mn) Series
3.2km (2.0 miles) ⓘBendada Mines, Bendada, Sabugal, Guarda, Portugal
4.7km (2.9 miles) ⓘOlas Mine, Inguias, Belmonte, Castelo Branco, Portugal
5.1km (3.2 miles) ⓘTorre Romana Mine, Belmonte e Colmeal da Torre, Belmonte, Castelo Branco, Portugal
6.5km (4.1 miles) ⓘAlvarrões Mine, Gonçalo, Guarda, Guarda, Portugal
9.4km (5.8 miles) ⓘLei Velha Mine, Inguias, Belmonte, Castelo Branco, Portugal
23.1km (14.3 miles) ⓘSítio do Castelo Mine, Folgosinho, Gouveia, Guarda, Portugal
30.7km (19.1 miles) ⓘRoto-Bote quarry, Vila Franca da Serra, Gouveia, Guarda, Portugal
37.8km (23.5 miles) ⓘArgimela Mine (Argemela Mine), Barco e Coutada, Covilhã, Castelo Branco, Portugal
41.4km (25.7 miles) ⓘQuelhas do Velho Mine, U.F Antas e Matela, Penalva do Castelo, Viseu, Portugal
46.3km (28.8 miles) ⓘCompanheiro No. 3 quarry, U.F Romãs Decermilo e Vila Longa, Sátão, Viseu, Portugal
References
Klaus Ludwig Collection
 
and/or  
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