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Biotite from
Ampegama quarry, Galle District, Southern Province, Sri Lanka


Locality type:Quarry
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 Ampegama quarry, Galle District, Southern Province, Sri Lanka
Data Identifiers
Mindat Occurrence Record ID:1995212
Long-form Identifier:1:3:1995212:1
GUID (UUID V4):0
Nearest other occurrences of Biotite
73.6km (45.8 miles) ⓘHomagama pegmatite, Colombo District, Western Province, Sri Lanka
References
Sameera, K. A. Geeth; Hauzenberger, Christoph A.; Fernando, G. W. A. Rohan; Škoda, Radek; Dharmapriya, Prasanna L.; Chanmuang N., Chutimun; Nasdala, Lutz (2026) Formation of ekanite in “antiskarn” by carbonatitic melt infiltration into charnockitic gneiss, Ampegama, southwestern Highland Complex, Sri Lanka. Contributions to Mineralogy and Petrology, 181 (7). p.52. doi:10.1007/s00410-026-02330-z
 
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