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Befanamite from
Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar


08602020017362723386811.jpg
Befanamite

Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar
07998620017272002908310.jpg
Befanamite

Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar
01297080017271921426080.jpg
Befanamite

Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar
05109610017271921452525.jpg
Befanamite

Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar
08602020017362723386811.jpg
Befanamite

Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar
09127480017272002878837.jpg
Befanamite

Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar
01297080017271921426080.jpg
Befanamite

Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar
05109610017271921452525.jpg
Befanamite

Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar
08602020017362723386811.jpg
Befanamite

Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar
07998620017272002908310.jpg
Befanamite

Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar
07837220017364769279245.jpg
Befanamite

Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar
02646760017272002791111.jpg
Befanamite

Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar
Locality type:Pegmatite
Classification
Species:Thortveitite var: Befanamite
Formula:Sc2Si2O7
Chemical Analyses:
Oxide wt%:
1
SiO244.13 %
Sc2O341.76 %
ZrO29.96 %
Fe2O32.20 %
Al2O32.62 %
Total:100.67 %
Sample references:
1 -
Lacroix, Alfred (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. Augustin Challamel. 624 pp.
Comments:The largest crystal found weighed 450 gram. Found as groups of parallellgrowing crystals mostly embedded in quartz, but it has been observed together with strüverite, monazite and beryl. Small crystals of green thortveitite has been observed on monazite crystals.
Confirmation
Validity:Valid - First Recorded Locality
Associated Minerals Based on Photo Data:
Samarskite-(Y)1
Columbite-Tantalite1
Data
Mineral Data:Click here to view Befanamite data
Locality Data:Click here to view Befanamo pegmatite, Beronono Commune, Anjozorobe District, Analamanga, Madagascar
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:1813
Long-form Identifier:1:3:1813:5
GUID (UUID V4):0
References
Lacroix, Alfred (1922) Minéralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. Augustin Challamel. 624 pp. pp.500-502
Behier, Jean (1960) Contribution à la minéralogie de Madagascar. Annales géologiques de Madagascar Vol. 29. République Malgachepp.19-20
 
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