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Opal from
Funtanedda Ulumu Quarry, Ploaghe, Sassari Province, Sardinia, Italy


Locality type:Quarry
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 Funtanedda Ulumu Quarry, Ploaghe, Sassari Province, Sardinia, Italy
Data Identifiers
Mindat Occurrence Record ID:924985
Long-form Identifier:1:3:924985:1
GUID (UUID V4):0
Nearest other occurrences of Opal
2.3km (1.4 miles) ⓘBadde ia/Mt. Perucci-Selvani quarries, Ploaghe, Sassari Province, Sardinia, Italy
25.3km (15.7 miles) ⓘSu Elzu, Ozieri, Sassari Province, Sardinia, Italy
40.4km (25.1 miles) ⓘMount Limbara, Giogantinu and Balistreri Peaks, Tempio Pausania, Sassari Province, Sardinia, Italy
44.4km (27.6 miles) ⓘFurru e Conca Quarries, Calangianus, Sassari Province, Sardinia, Italy
54.9km (34.1 miles) ⓘSan Bachisio Quarries, Telti, Sassari Province, Sardinia, Italy
55.4km (34.4 miles) ⓘPriatu Quarries, Sant'Antonio di Gallura, Sassari Province, Sardinia, Italy
69.8km (43.3 miles) ⓘLu Patenti Quarry, Mt. Mazzolu, Arzachena, Sassari Province, Sardinia, Italy
80.6km (50.1 miles) ⓘCala Francese Quarries, La Maddalena Island, La Maddalena, Sassari Province, Sardinia, Italy
References
Gamboni, A., Cuccuru, S. & Carta, M. (2015) - I minerali della cava Funtanedda Ulumu, Ploaghe, Provincia di Sassari, Sardegna - Rivista Mineralogica Italiana, 1/2015,16-29.
 
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