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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Tourmaline from
Viana do Castelo, Portugal


05679650017272041192741.jpg
Olenite

Cabração e Moreira do Lima, Ponte de Lima, Viana do Castelo, Portugal
02877380017369768123823.jpg
Olenite

Cabração e Moreira do Lima, Ponte de Lima, Viana do Castelo, Portugal
04834730017272288295324.jpg
Schorl

Afife, Viana do Castelo, Viana do Castelo, Portugal
03599410017272074981147.jpg
Schorl

Covas, Vila Nova de Cerveira, Viana do Castelo, Portugal
06686860017369768122659.jpg
Olenite

Cabração e Moreira do Lima, Ponte de Lima, Viana do Castelo, Portugal
01741920017364652944277.jpg
Olenite

Cabração e Moreira do Lima, Ponte de Lima, Viana do Castelo, Portugal
08828880017731720387219.jpg
Schorl

Afife, Viana do Castelo, Viana do Castelo, Portugal
03280660017370085586744.jpg
Schorl

Covas, Vila Nova de Cerveira, Viana do Castelo, Portugal
05679650017272041192741.jpg
Olenite

Cabração e Moreira do Lima, Ponte de Lima, Viana do Castelo, Portugal
02877380017369768123823.jpg
Olenite

Cabração e Moreira do Lima, Ponte de Lima, Viana do Castelo, Portugal
04834730017272288295324.jpg
Schorl

Afife, Viana do Castelo, Viana do Castelo, Portugal
03599410017272074981147.jpg
Schorl

Covas, Vila Nova de Cerveira, Viana do Castelo, Portugal
Locality type:District
Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view Viana do Castelo, Portugal
Data Identifiers
Mindat Occurrence Record ID:758440
Long-form Identifier:1:3:758440:4
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
50.3km (31.2 miles) ⓘCovide quarry, Covide, Terras de Bouro, Braga, Portugal
51.0km (31.7 miles) ⓘSanta Marina Mine, Galiñeiro Complex, Vincios, Gondomar, Pontevedra, Galicia, Spain
62.5km (38.8 miles) ⓘEastern pegmatite, Muro Alto Mine, Anjos e Vilar do Chão, Vieira do Minho, Braga, Portugal
69.8km (43.4 miles) ⓘBorralha Mines, Salto, Montalegre, Vila Real, Portugal
79.9km (49.7 miles) ⓘVieiros Mines, Rebordelo, Amarante, Porto, Portugal
82.4km (51.2 miles) ⓘLousas aplite-pegmatite, Dornelas, Boticas, Vila Real, Portugal
85.3km (53.0 miles) ⓘMonte de Entre-Portelas Mine (S. João Mine; Adoria Mine), Cerva e Limões, Ribeira de Pena, Vila Real, Portugal
93.3km (58.0 miles) ⓘLamas de Olo pluton, Vila Marim, Vila Real, Vila Real, Portugal
References
Rui Nunes 2011
 
and/or  
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