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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Tantalite from
Vermilhas No. 1 Mine, U.F Cambra e Carvalhal de Vermilhas, Vouzela, Viseu, Portugal


Locality type:Prospect
Classification
Species:'Tantalite' (not an IMA approved species)
Formula:(Mn,Fe)(Ta,Nb)2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tantalite data
Locality Data:Click here to view Vermilhas No. 1 Mine, U.F Cambra e Carvalhal de Vermilhas, Vouzela, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:913462
Long-form Identifier:1:3:913462:1
GUID (UUID V4):0
Nearest other occurrences of Tantalite
42.9km (26.6 miles) ⓘVenturinha, Sezures, Penalva do Castelo, Viseu, Portugal
47.9km (29.8 miles) ⓘPreguiça Mine, Ferreira de Aves, Sátão, Viseu, Portugal
48.0km (29.8 miles) ⓘQuelhas do Velho Mine, U.F Antas e Matela, Penalva do Castelo, Viseu, Portugal
48.4km (30.1 miles) ⓘAssunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
61.9km (38.4 miles) ⓘGestaçô Mines, Gestaçô, Baião, Porto, Portugal
68.9km (42.8 miles) ⓘTeixo Mines, Teixeira, Teixeira e Teixeiró, Baião, Porto, Portugal
71.0km (44.1 miles) ⓘArgimela Mine (Argemela Mine), Barco e Coutada, Covilhã, Castelo Branco, Portugal
74.5km (46.3 miles) ⓘTorre Romana Mine, Belmonte e Colmeal da Torre, Belmonte, Castelo Branco, Portugal
75.3km (46.8 miles) ⓘPortomé pegmatite, Vela, Guarda, Guarda, Portugal
76.5km (47.6 miles) ⓘVieiros Mining Field, Canadelo, Olo e Canadelo, Amarante, Porto, Portugal
References
LNEG - Laboratório Nacional de Energia e Geologia, Siorminp ID 1931WSn
 
and/or  
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