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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Opal from
Poggio San Vittore asbestos mine, Balangero, Metropolitan City of Turin, Piedmont, Italy


Locality type:Mine
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Poggio San Vittore asbestos mine, Balangero, Metropolitan City of Turin, Piedmont, Italy
Data Identifiers
Mindat Occurrence Record ID:297911
Long-form Identifier:1:3:297911:3
GUID (UUID V4):0
Nearest other occurrences of Opal
8.2km (5.1 miles) ⓘBorna di Pugnetto (Grotta di Pugnetto), Pugnetto, Mezzenile, Metropolitan City of Turin, Piedmont, Italy
10.7km (6.6 miles) ⓘFubina, Viù, Metropolitan City of Turin, Piedmont, Italy
18.6km (11.6 miles) ⓘCivrari Mountain, Condove, Metropolitan City of Turin, Piedmont, Italy
19.1km (11.9 miles) ⓘCalvo Mt. magnesite quarries (Caselette magnesite quarries), Caselette, Metropolitan City of Turin, Piedmont, Italy
20.8km (12.9 miles) ⓘSant'Abaco, Caselette, Metropolitan City of Turin, Piedmont, Italy
33.1km (20.6 miles) ⓘSan Valeriano quarry, Piossasco, Metropolitan City of Turin, Piedmont, Italy
34.6km (21.5 miles) ⓘTignai Quarry, Tignai, Bussoleno, Metropolitan City of Turin, Piedmont, Italy
56.1km (34.9 miles) ⓘQuittengo, Campiglia Cervo, Biella Province, Piedmont, Italy
60.9km (37.8 miles) ⓘ"Bardonecchia road" quartzite vein, Oulx, Metropolitan City of Turin, Piedmont, Italy
63.9km (39.7 miles) ⓘSeccarezze Quarries, Luserna San Giovanni, Metropolitan City of Turin, Piedmont, Italy
References
Prete, R. (1995) L'amiantifera di S. Vittore, Balangero, Torino. Rivista Mineralogica Italiana, 4/1995, 313-333.
 
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