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Columbite-(Mn) from
Marlagalla-Allapatna, Mandya District, Karnataka, India


Locality type:Pegmatite Field
Classification
Species:Columbite-(Mn)
Formula:Mn2+Nb2O6
Chemical Analyses:
Oxide wt%:
1
Nb2O536.63 %
Ta2O542.32 %
FeO6.97 %
MnO10.29 %
TiO20.19 %
UO20.06 %
Total:96.46 %
Sample references:
148/D1-A
Sarbajna, Chanchal; Krishnamurthy, P.; Paul, A.K.; Banerjee, D.C. (2000) Mineralogical and Chemical Characteristics of Complexly-Zoned Columbite-Tantalite from the Rare Metal Pegmatites of Southern Karnataka. Journal of the Geological Society of India, 56 (5). 557-571 doi:10.17491/jgsi/2000/560508
Comments:Columbite-(Fe) is the dominant columbite-tantalite mineral at this locality, but 1 of 8 samples analysed by Sarbajna et al.(2000) has a distinct columbite-(Mn) core.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Columbite-(Mn) data
Locality Data:Click here to view Marlagalla-Allapatna, Mandya District, Karnataka, India
Data Identifiers
Mindat Occurrence Record ID:1868669
Long-form Identifier:1:3:1868669:2
GUID (UUID V4):0
References
Sarbajna, Chanchal; Krishnamurthy, P.; Paul, A.K.; Banerjee, D.C. (2000) Mineralogical and Chemical Characteristics of Complexly-Zoned Columbite-Tantalite from the Rare Metal Pegmatites of Southern Karnataka. Journal of the Geological Society of India, 56 (5). 557-571 doi:10.17491/jgsi/2000/560508
 
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