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
Maiò Valley, Monticello, San Vittore, Moesa Region, Grisons, Switzerland


Locality type:Valley
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 Maiò Valley, Monticello, San Vittore, Moesa Region, Grisons, Switzerland
Data Identifiers
Mindat Occurrence Record ID:1471031
Long-form Identifier:1:3:1471031:7
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
6.5km (4.0 miles) ⓘGneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
8.1km (5.0 miles) ⓘPiani di Verdabbio, Verdabbio, Grono, Moesa Region, Grisons, Switzerland
23.0km (14.3 miles) ⓘMalpensata pegmatitic dyke (Olgiasca-Malpensata; Croce Quarry; Secondi dyke), Piona Peninsula, Colico, Lecco Province, Lombardy, Italy
26.3km (16.4 miles) ⓘSommafiume pegmatitic dyke (Alpe Sommafiume; Marategno Mine), Dorio, Lecco Province, Lombardy, Italy
27.9km (17.3 miles) ⓘPizzi dei Piani (Piz di Pian), Madesimo, Sondrio Province, Lombardy, Italy
29.3km (18.2 miles) ⓘVamlera, Febbraro Valley, Madesimo, Sondrio Province, Lombardy, Italy
31.6km (19.6 miles) ⓘSponda Alp - Pizzo Forno, Chironico Valley, Faido, Leventina, Ticino, Switzerland
34.2km (21.3 miles) ⓘCamperio, Santa Maria Valley, Blenio Valley, Blenio, Ticino, Switzerland
35.0km (21.7 miles) ⓘCampra, Acquacalda, Santa Maria Valley, Blenio Valley, Blenio, Ticino, Switzerland
37.0km (23.0 miles) ⓘTumbler, Soglio, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland
References
 
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