Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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Biotite from
Govedarnika Mine, Laki, Laki Municipality, Plovdiv Province, Bulgaria


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 Govedarnika Mine, Laki, Laki Municipality, Plovdiv Province, Bulgaria
Data Identifiers
Mindat Occurrence Record ID:1804751
Long-form Identifier:1:3:1804751:0
GUID (UUID V4):0
Nearest other occurrences of Biotite
40.8km (25.4 miles) ⓘSmilovene deposit, Koprivshtitsa Municipality, Sofia Province, Bulgaria
43.1km (26.8 miles) ⓘShipka Outcrops, Shipka, Kazanlak Municality, Stara Zagora Province, Bulgaria
53.4km (33.2 miles) ⓘMedet Mine, Panagyurishte, Panagyurishte Municipality, Pazardzhik Province, Bulgaria
58.3km (36.2 miles) ⓘTsar Asen Mine, Tsar Asen, Pazardzhik Municipality, Pazardzhik Province, Bulgaria
59.4km (36.9 miles) ⓘSharlo dere deposit, Chelopech Municipality, Sofia Province, Bulgaria
59.4km (36.9 miles) ⓘAssarel Mine, Panagyurishte, Panagyurishte Municipality, Pazardzhik Province, Bulgaria
61.8km (38.4 miles) ⓘDzhurkovo Mine, Dryanovo Municipality, Gabrovo Province, Bulgaria
63.2km (39.3 miles) ⓘElatsite Mine, Etropole Municipality, Sofia Province, Bulgaria
65.9km (40.9 miles) ⓘVlaykov Vruh Mine, Elshitsa, Panagyurishte Municipality, Pazardzhik Province, Bulgaria
67.1km (41.7 miles) ⓘDolna Kamenitsa vein, Etropole Municipality, Sofia Province, Bulgaria
References
Moynier, Lison; Cogné, Nathan; Branquet, Yannick; Gautier, Pierre; Ivanov, Boris; Gerdjikov, Ianko; Boulvais, Philippe (2025) Syn-volcanic mineralized skarn vs. syn-metamorphic barren skarn: a clarification for the Central Rhodope. Ore Geology Reviews, 184. 106755 doi:10.1016/j.oregeorev.2025.106755
 
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