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Biotite from
Calabona Mine, Calabona area, Alghero, Sassari Province, Sardinia, Italy


Locality type:Mine
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Calabona Mine, Calabona area, Alghero, Sassari Province, Sardinia, Italy
Data Identifiers
Mindat Occurrence Record ID:620921
Long-form Identifier:1:3:620921:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
20.5km (12.7 miles) ⓘLogudoro Volcanic Field, Ittiri, Sassari Province, Sardinia, Italy
41.0km (25.5 miles) ⓘMontiferro Volcanic Complex, Scano di Montiferro, Oristano Province, Sardinia, Italy
79.2km (49.2 miles) ⓘMount Limbara, Giogantinu and Balistreri Peaks, Tempio Pausania, Sassari Province, Sardinia, Italy
82.4km (51.2 miles) ⓘCala Sarraina and Costa Paradiso, Trinità d'Agultu e Vignola, Sassari Province, Sardinia, Italy
83.2km (51.7 miles) ⓘFurru e Conca Quarries, Calangianus, Sassari Province, Sardinia, Italy
92.1km (57.2 miles) ⓘPardu (Pixina Pardu), Asuni, Oristano Province, Sardinia, Italy
92.6km (57.5 miles) ⓘPranu (Pranu Pirastru), Senis, Oristano Province, Sardinia, Italy
93.9km (58.3 miles) ⓘSan Bachisio Quarries, Telti, Sassari Province, Sardinia, Italy
94.0km (58.4 miles) ⓘPriatu Quarries, Sant'Antonio di Gallura, Sassari Province, Sardinia, Italy
References
Singer, D.A., Berger, V.I., Moring, B.C. (2008) Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. Open-File Report 2008-1155
 
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