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Arrojadite Group from
Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda


Locality type:Pegmatite
Classification
Species:'Arrojadite Group' (not an IMA approved species)
Formula:A2E2CaNa2+xM13R(PO3OH)1-x(PO4)11W2
Chemical Analyses:
Oxide wt%:
1
P2O540.00 %
Al2O32.00 %
FeO25.00 %
MgO0.00 %
MnO18.00 %
CaO2.00 %
Na2O6.00 %
K2O2.00 %
Total:95.00 %
Sample references:
1 -
Fransolet, A.-M. (1980) The eosphorite-childrenite series associated with the Li-Mn-Fe phosphate minerals from the Buranga pegmatite, Rwanda. Mineralogical Magazine, 43 (332) 1015-1023 doi:10.1180/minmag.1980.043.332.09
Comments:Both a Ba-free arrojadite and a barian arrojadite (arrojadite-(BaFe)) were found at Buranga by von Knorring (see Daltry & von Knorring 1998).
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arrojadite Group data
Locality Data:Click here to view Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda
Data Identifiers
Mindat Occurrence Record ID:831610
Long-form Identifier:1:3:831610:3
GUID (UUID V4):0
References
Daltry, V.D.C., von Knorring, O. (1998) Type-mineralogy of Rwanda with particular reference to the Buranga pegmatite. Geologica Belgica: 1: 9-15. https://popups.uliege.be/1374-8505/index.php?id=1593
 
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