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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Tungstite from
Penalva do Castelo, Viseu, Portugal


Locality type:Municipality
Classification
Species:Tungstite
Formula:WO3 · H2O
Confirmation
Validity:Unconfirmed/Questioned
Associated Minerals Based on Photo Data:
Ferberite1
Data
Mineral Data:Click here to view Tungstite data
Locality Data:Click here to view Penalva do Castelo, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:984676
Long-form Identifier:1:3:984676:0
GUID (UUID V4):0
Nearest other occurrences of Tungstite
13.7km (8.5 miles) ⓘLagares Mining Field, Vila Nova de Paiva, Viseu, Portugal
13.7km (8.5 miles) ⓘRebentão Mine, Lagares do Estanho Mines, Queiriga, Vila Nova de Paiva, Viseu, Portugal
29.0km (18.0 miles) ⓘBejanca Mine (Carvalhal do Estanho), Queirã, Vouzela, Viseu, Portugal
71.5km (44.4 miles) ⓘMata da Rainha Mine, União de Freguesias de Pedrogão de S Pedro e Bemposta, Penamacor, Castelo Branco, Portugal
88.1km (54.8 miles) ⓘMonte de Entre-Portelas Mine (S. João Mine; Adoria Mine), Cerva e Limões, Ribeira de Pena, Vila Real, Portugal
References
Erik Vercammen collection and field observations (1992)
 
and/or  
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