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Bekily, Androy, Madagascari
Regional Level Types
BekilyDistrict
AndroyRegion
MadagascarCountry

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Key
Locality type:
Largest Settlements:
PlacePopulation
Beteza7,000 (2018)
Other Languages:
Malagasy:
Distrikan'i Bekily, Faritr' Androy, Madagasikara
Spanish:
Bekily, Androy, Madagascar
Arabic:
بيكيلي, أندروي, مدغشقر
Dutch:
Bekily, Androy, Madagaskar
Japanese:
ベキリ, アンドロィ地域圏, マダガスカル
Portuguese:
Bekily, Androy, Madagáscar


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Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded from this region.


Mineral List

Mineral list contains entries from the region specified including sub-localities

33 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Actinolite
Formula: ☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Allanite Group'
Formula: {A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)
'Amphibole Supergroup'
Formula: AX2Z5((Si,Al,Ti)8O22)(OH,F,Cl,O)2
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Analcime
Formula: Na(AlSi2O6) · H2O
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Anhydrite
Formula: CaSO4
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Gélogique Madagascar. A 1871
Anorthite
Formula: Ca(Al2Si2O8)
Reference: Lautel, R. (1953): Etude géologique de la feuille Bekitro. Travaux du Bureau Géologique (Tananarive): 40: 1-34 + planches.
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
Localities: Reported from at least 7 localities in this region.
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Reference: Lautel, R. (1953): Etude géologique de la feuille Bekitro. Travaux du Bureau Géologique (Tananarive): 40: 1-34 + planches.
Calcite
Formula: CaCO3
Localities: Reported from at least 7 localities in this region.
'Chabazite'
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871 /Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive. p 24
Chalcopyrite
Formula: CuFeS2
Clinohumite
Formula: Mg9(SiO4)4F2
Reference: Michel Arliguie collection & photo (Photo ID: 966934, old sample)
Cordierite
Formula: (Mg,Fe)2Al3(AlSi5O18)
Reference: Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive,
Corundum
Formula: Al2O3
Reference: Knut Edvard Larsen collection # M-113
Diopside
Formula: CaMgSi2O6
Localities: Reported from at least 8 localities in this region.
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Royal Museum for Central Africa, Belgium collection Sample 11306
Fluorite
Formula: CaF2
Reference: Houran, J. & Laurs, B. M. (2009): From Gems & Gemology: Fluorite Impersonating Blue Color-Change Garnet. GIA insider, 10 (16), Sept. 19, 2008 [ http://app.e2ma.net/campaign/86784ec570ba770facd15d1366f3f9c1#article2
Graphite
Formula: C
Reference: Knut Edvard Larsen collection # M-96
Gypsum
Formula: CaSO4 · 2H2O
Reference: Morteani, G., Kostitsyn, Y.A., Gilg, H.G., Preinfalk, C 6 Razakamanana, T. (2013) Geochemistry of phlogopite, diopside, calcite, anhydrite and apatite pegmatites and syenites of southern Madagascar: Evidence for crustal silicocarbonatitic (CSC) melt formation in a Panafrican collisional tectonic setting.  International Journal of Earth Sciences 102:627-645
Hedenbergite
Formula: CaFe2+Si2O6
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
'Heulandite'
Reference: Michel Arliguie collection & photo (photo id 899367), old collection
Laumontite
Formula: CaAl2Si4O12 · 4H2O
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Gélogique Madagascar. A 1871
Meionite
Formula: Ca4Al6Si6O24CO3
Reference: Royal Museum for Central Africa, Belgium collection Sample # 11308
Molybdenite
Formula: MoS2
Orthoclase
Formula: K(AlSi3O8)
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Localities: Reported from at least 15 localities in this region.
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Gélogique Madagascar. A 1871
Pyrite
Formula: FeS2
Pyrope
Formula: Mg3Al2(SiO4)3
Reference: K. & Bernhardt, H.-J. (2000): Farbwechselnde Granate aus Madagascar. LAPIS 26 (6): 46-48
'Pyrope-Spessartine Series'
Reference: Schmetzer, K. & Bernhardt, H.-J. (2000): Farbwechselnde Granate aus Madagascar. LAPIS 26 (6): 46-48.
Pyrrhotite
Formula: Fe7S8
Description: Specimen in the Geologisches und Mineralogisches Museum. Institut für Geowissenschaften der CAU Kiel, inventory nr. 5369. See http://www.museen-sh.de/ml/digi_einzBild.php?pi=145_5369
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Gélogique Madagascar. A 1871
Quartz
Formula: SiO2
Quartz var: Amethyst
Formula: SiO2
Reference: Knut Edvard Larsen collection (MM-1118), Sample bought in Fort Dauphin
Quartz var: Chalcedony
Formula: SiO2
Reference: Lacroix, A. (1941): Les gisements de phlogopite de Madagascar et les pyroxenites qui les renferment. Texte (Extrait du fasicule XI des Annuales Géologiques du Service des Mines). Tananarive. p.95
Quartz var: Jasper
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Rutile
Formula: TiO2
Description: Found in an unnamed prospect Close to the town of Bekily.
Reference: Knut Edvard Larsen collection # M-310
'Scapolite'
'Scapolite var: Wernerite'
Reference: M. Arliguie photo and specimen
Scheelite
Formula: Ca(WO4)
Scheelite var: Molybdoscheelite
Formula: Ca(WO4)
Sepiolite
Formula: Mg4(Si6O15)(OH)2 · 6H2O
Spinel
Formula: MgAl2O4
'Stilbite subgroup'
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Gélogique Madagascar. A 1871
Thorianite
Formula: ThO2
Titanite
Formula: CaTi(SiO4)O
Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Reference: Lacroix, A. (1941): Les gisements de phlogopite de Madagascar et les pyroxenites qui les renferment. Texte (Extrait du fasicule XI des Annuales Gélogiques du Service des Mines). Tananarive. p.95
'Zeolite Group'
Reference: Lautel, R. (1953): Etude géologique de la feuille Bekitro. Travaux du Bureau Géologique (Tananarive): 40: 1-34 + planches
Zircon
Formula: Zr(SiO4)

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Graphite1.CB.05aC
Group 2 - Sulphides and Sulfosalts
Chalcopyrite2.CB.10aCuFeS2
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Corundum4.CB.05Al2O3
Quartz4.DA.05SiO2
var: Amethyst4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Jasper4.DA.05SiO2
Rutile4.DB.05TiO2
Spinel4.BB.05MgAl2O4
Thorianite4.DL.05ThO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Anhydrite7.AD.30CaSO4
Gypsum7.CD.40CaSO4 · 2H2O
Scheelite7.GA.05Ca(WO4)
var: Molybdoscheelite7.GA.05Ca(WO4)
Group 8 - Phosphates, Arsenates and Vanadates
Fluorapatite8.BN.05Ca5(PO4)3F
Group 9 - Silicates
Actinolite9.DE.10☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2
Analcime9.GB.05Na(AlSi2O6) · H2O
Anorthite9.FA.35Ca(Al2Si2O8)
Clinohumite9.AF.55Mg9(SiO4)4F2
Cordierite9.CJ.10(Mg,Fe)2Al3(AlSi5O18)
Diopside9.DA.15CaMgSi2O6
Hedenbergite9.DA.15CaFe2+Si2O6
Laumontite9.GB.10CaAl2Si4O12 · 4H2O
Meionite9.FB.15Ca4Al6Si6O24CO3
Orthoclase9.FA.30K(AlSi3O8)
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Pyrope9.AD.25Mg3Al2(SiO4)3
Sepiolite9.EE.25Mg4(Si6O15)(OH)2 · 6H2O
Titanite9.AG.15CaTi(SiO4)O
Vermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
'Zeolite Group'9.G0.
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Allanite Group'-{A12+REE3+}{M3+2M32+}(Si2O7)(SiO4)O(OH)