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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Epidote from
Tignitoio Mine, Rio Marina, Rio, Livorno Province, Tuscany, Italy


Locality type:Mine
Classification
Species:Epidote
Formula:(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Epidote data
Locality Data:Click here to view Tignitoio Mine, Rio Marina, Rio, Livorno Province, Tuscany, Italy
Data Identifiers
Mindat Occurrence Record ID:237413
Long-form Identifier:1:3:237413:0
GUID (UUID V4):0
Nearest other occurrences of Epidote
0.4km (0.2 miles) ⓘOrtano coast, Rio Marina, Rio, Livorno Province, Tuscany, Italy
1.6km (1.0 miles) ⓘTorre di Rio - Santa Filomena area (Monte della Torre), Rio Marina, Rio, Livorno Province, Tuscany, Italy
2.3km (1.4 miles) ⓘCape Arco Mine, Rio Marina, Rio, Livorno Province, Tuscany, Italy
2.8km (1.7 miles) ⓘFalcacci stope, Rio Mine, Rio Marina, Rio, Livorno Province, Tuscany, Italy
2.9km (1.8 miles) ⓘTerranera Mine, Porto Azzurro, Livorno Province, Tuscany, Italy
3.2km (2.0 miles) ⓘValle Giove stope, Rio Mine, Rio Marina, Rio, Livorno Province, Tuscany, Italy
6.8km (4.2 miles) ⓘSassi Neri mine, Capoliveri, Livorno Province, Tuscany, Italy
7.4km (4.6 miles) ⓘCampo ai Peri, Portoferraio, Livorno Province, Tuscany, Italy
8.7km (5.4 miles) ⓘCape Norsi, Capoliveri, Livorno Province, Tuscany, Italy
8.8km (5.5 miles) ⓘVallone stope, Cape Calamita Mine, Capoliveri, Livorno Province, Tuscany, Italy
References
S. Bonatti, 1965 - Guida mineralogica e petrografica dell'Isola d'Elba - Ente Valor. Elba, Tip. Giardini, Pisa
Garofalo, Paolo S., Redi, Daniele, Malafeevskiy, Nikita, Schwarz, Gunnar, Neff, Christoph, Schmidt, Peter Keresztes, Günther, Detlef (2025) Failed genesis of a Fe-skarn deposit caused by redox states of intrusion and wall rocks (Torre di Rio, Island of Elba, Italy). Ore Geology Reviews, 177. 106446 doi:10.1016/j.oregeorev.2025.106446
 
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