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Biotite from
Kef Cheraya, Cheraia, Collo District, Skikda Province, Algeria


Locality type:Lava Flow
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Comments:At the contact biotite / glass, the biotite is replaced by a reaction rim : enstatite, labradorite, ilmenite, orthoclase, relictual biotite (titanain biotite 62-67 % + montdorite 32-34 %).
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Kef Cheraya, Cheraia, Collo District, Skikda Province, Algeria
Data Identifiers
Mindat Occurrence Record ID:318944
Long-form Identifier:1:3:318944:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.8km (2.3 miles) ⓘCollo ultramafic rocks, Collo District, Skikda Province, Algeria
31.9km (19.8 miles) ⓘSidi-Kamber Pb-Zn mine, Skikda Province, Algeria
64.0km (39.8 miles) ⓘAïn Nousri volcano, Cap de Fer, El Marsa, Ben Azzouz District, Skikda Province, Algeria
64.6km (40.1 miles) ⓘDjebel Guettara Mn deposit, Es Sebt, Azzaba District, Skikda Province, Algeria
90.6km (56.3 miles) ⓘAïn Barbar, Edough Massif, Annaba District, Annaba Province, Algeria
References
Fougnot, Jean, Pichavant, Michel, Barbey, Pierre (1996) Biotite resorption in dacite lavas from northeastern Algeria. European Journal of Mineralogy, 8 (3) 625-638 doi:10.1127/ejm/8/3/0625
 
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