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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Shale from
Sasso di Castro, Futa Pass - Raticosa Pass area, Firenzuola, Metropolitan City of Florence, Tuscany, Italy


Classification
Type:Shale
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Shale data
Locality Data:Click here to view Sasso di Castro, Futa Pass - Raticosa Pass area, Firenzuola, Metropolitan City of Florence, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:1437286
Long-form Identifier:1:3:1437286:1
GUID (UUID V4):0
Nearest other occurrences of Shale
52.3km (32.5 miles) ⓘPompeano ophiolite, Serramazzoni, Modena Province, Emilia-Romagna, Italy
55.2km (34.3 miles) ⓘVarana ophiolite, Serramazzoni, Modena Province, Emilia-Romagna, Italy
55.2km (34.3 miles) ⓘSassomorello ophiolite, Sassomorello, Prignano sulla Secchia, Modena Province, Emilia-Romagna, Italy
92.5km (57.5 miles) ⓘMontecatini Mine, Montecatini Val di Cecina, Pisa Province, Tuscany, Italy
References
Bortolotti, V., Cellai, D., Chiari, M., Vaggelli, G. (1995): 40Ar/39Ar dating of Apenninic ophiolites: 3.Plagiogranites from Sasso di Castro, Northern Tuscany, Italy. Ofioliti, 20, 55–65.
 
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