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
Pizzi dei Piani (Piz di Pian), Madesimo, Sondrio Province, Lombardy, Italy


Locality type:Mountain
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 Pizzi dei Piani (Piz di Pian), Madesimo, Sondrio Province, Lombardy, Italy
Data Identifiers
Mindat Occurrence Record ID:976420
Long-form Identifier:1:3:976420:0
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
2.2km (1.4 miles) ⓘVamlera, Febbraro Valley, Madesimo, Sondrio Province, Lombardy, Italy
21.1km (13.1 miles) ⓘPiani di Verdabbio, Verdabbio, Grono, Moesa Region, Grisons, Switzerland
21.5km (13.4 miles) ⓘGneiss quarries, Arvigo, Calanca, Moesa Region, Grisons, Switzerland
24.2km (15.1 miles) ⓘTumbler, Soglio, Upper Val Bregaglia, Bregaglia, Maloja Region, Grisons, Switzerland
27.9km (17.3 miles) ⓘMaiò Valley, Monticello, San Vittore, Moesa Region, Grisons, Switzerland
30.4km (18.9 miles) ⓘCamperio, Santa Maria Valley, Blenio Valley, Blenio, Ticino, Switzerland
31.4km (19.5 miles) ⓘCampra, Acquacalda, Santa Maria Valley, Blenio Valley, Blenio, Ticino, Switzerland
33.0km (20.5 miles) ⓘBovarina Alp, Campo Valley, Campo Blenio, Camadra Valley, Blenio Valley, Blenio, Ticino, Switzerland
34.0km (21.1 miles) ⓘLake Grevasalvas, Julier pass area, Bivio, Surses, Albula Region, Grisons, Switzerland
37.3km (23.2 miles) ⓘMalpensata pegmatitic dyke (Olgiasca-Malpensata; Croce Quarry; Secondi dyke), Piona Peninsula, Colico, Lecco Province, Lombardy, Italy
References
Bedogné, F., Maurizio, R., Montrasio, A., Sciesa, E. (1995): I minerali della Provincia Di Sondrio e della Bregaglia Grigionese: Val Bregaglia, Val Masino, Val Codera e Valle Spluga. Bettini, Sondrio, Italy, 300 pp.
 
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