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Phlogopite from
Ianakafy (Inanakafy), Ianakafy, Betroka District, Anosy, Madagascar


Locality type:Village
Classification
Species:Phlogopite
Formula:KMg3(AlSi3O10)(OH)2
Chemical Analyses:
Oxide wt%:
1
SiO240.72 %
Al2O317.05 %
Fe2O31.68 %
FeO2.73 %
MnO0.02 %
MgO24.18 %
TiO21.04 %
CaO1.19 %
Na2O0.55 %
K2O6.74 %
F0.96 %
H2O+3.38 %
H2O-0.06 %
Total:100.3 %
Sample references:
1 -
von Knorring, O., Sahama, Th.G., and Lehtinen, M. (1969) Kornerupine-bearing gneiss from Inanakafy near Betroka, Madagascar. Bulletin of the Geological Society of Finland: 41: 79-84.
Habit:mostly anhedral flakes up to 1cm, sometimes showing prismatic faces and, very rarely, showing poorly developed pyramidal faces.
Colour:black
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Phlogopite data
Locality Data:Click here to view Ianakafy (Inanakafy), Ianakafy, Betroka District, Anosy, Madagascar
Data Identifiers
Mindat Occurrence Record ID:367039
Long-form Identifier:1:3:367039:2
GUID (UUID V4):9bb19c88-7b61-4899-8b32-1e3465d756c2
Nearest other occurrences of Phlogopite
29.2km (18.2 miles) ⓘBeapompo II workings, Beampombo II, Betroka District, Anosy, Madagascar
40.0km (24.9 miles) ⓘIanapera emerald deposit (Sakalava), Ianapera, Benenitra District, Atsimo-Andrefana, Madagascar
51.4km (31.9 miles) ⓘBenato phlogopite mines, Benato Toby, Betroka District, Anosy, Madagascar
57.0km (35.4 miles) ⓘMarovalo phlogopite mine, Ambatomivary, Betroka District, Anosy, Madagascar
63.8km (39.7 miles) ⓘAmbatomena Toby, Bekorobo, Betroka District, Anosy, Madagascar
83.3km (51.7 miles) ⓘManga, Green Giant Vanadium Property, Fotadrevo, Ampanihy District, Atsimo-Andrefana, Madagascar
83.8km (52.1 miles) ⓘBesohihy, Beraketa, Bekily District, Androy, Madagascar
84.4km (52.4 miles) ⓘAmpandrandava phlogopite mine, Beraketa, Bekily District, Androy, Madagascar
89.1km (55.3 miles) ⓘAmbondrombe, Beraketa, Bekily District, Androy, Madagascar
References
von Knorring, O., Sahama, Th.G., and Lehtinen, M. (1969) Kornerupine-bearing gneiss from Inanakafy near Betroka, Madagascar. Bulletin of the Geological Society of Finland: 41: 79-84.
 
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