Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Tourmaline from
Castro Daire, Viseu, Portugal


Locality type:Municipality
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Castro Daire, Viseu, Portugal
Data Identifiers
Mindat Occurrence Record ID:612001
Long-form Identifier:1:3:612001:6
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
17.1km (10.7 miles) Regoufe Mines, Covelo de Paivó, Arouca, Aveiro, Portugal
20.7km (12.9 miles) Rebentão Mine, Lagares do Estanho Mines, Queiriga, Vila Nova de Paiva, Viseu, Portugal
20.7km (12.9 miles) Lagares Mining Field, Vila Nova de Paiva, Viseu, Portugal
23.0km (14.3 miles) Bejanca Mine (Carvalhal do Estanho), Queirã, Vouzela, Viseu, Portugal
26.9km (16.7 miles) Assunção Mine, Aldeia Nova, Ferreira de Aves, Sátão, Viseu, Portugal
29.9km (18.6 miles) Castanheira, Albergaria da Serra, Cabreiros e Albergaria da Serra, Arouca, Aveiro, Portugal
37.5km (23.3 miles) Cubos-Mesquitela-Mangualde area, Mangualde (Mesquitela e Cunha Alta), Mangualde, Viseu, Portugal
38.5km (23.9 miles) Corvaceira quarry, Corvaceira, Tavares (Chãs; Várzea e Travanca), Mangualde, Viseu, Portugal
47.6km (29.6 miles) Vieiros Mines, Rebordelo, Amarante, Porto, Portugal
50.9km (31.6 miles) Lamas de Olo pluton, Vila Marim, Vila Real, Vila Real, Portugal
References
 
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