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Anjanabonoina pegmatites, Ambohimanambola Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar

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Latitude & Longitude (WGS84): 19° 55' 15'' South , 46° 31' 42'' East
Latitude & Longitude (decimal): -19.92106,46.52836
GeoHash:G#: mh3ndv2zm
Locality type:Pegmatite Field
Köppen climate type:Cwb : Subtropical highland climate or temperate oceanic climate with dry winters
Name(s) in local language(s):Anjanabonoina, Kaominin' Ambohimanambola, Distrikan'i Betafo, Faritra Vakinankaratra, Faritanin' Antananarivo, Madagasikara


The Anjanabonoina pegmatites are famous for their large and multicolored tourmalines. Located 42 km WSW of the town of Betafo in the central highland of Madagascar.

These pegmatite dikes outcrop at a hill (with an elevation of about 1,400 meters) 2,5 km east of Mount Ikaka and are emplaced in a complex environment characterized by paragneiss, marble, and orthogneiss of the Neoproterozoic Itremo Group, of medium metamorphic grade. The subhorizontal bodies of pegmatite are strongly zoned. The metasedimentary rocks hosting the pegmatitic dikes locally show extensive contact-metasomatic phenomena. Abundant tourmalization extensively affected schist and quartzite units, with schorl-dravite replacing up to 30% of the rock volume. Veins of quartz, dravite-schorl, and danburite are locally present in metasedimentary rocks close to the pegmatites, and marble is transformed into skarn (De Vito et al. 2006).

- Locality mispelled as "Anjanabonsana" in Lacroix (1909).

Alternative Label Names

This is a list of additional names that have been recorded for mineral labels associated with this locality in the minID database. This may include previous versions of the locality name hierarchy from mindat.org, data entry errors, and it may also include unconfirmed sublocality names or other names that can only be matched to this level.

Anjanabonoina, Ambohimanambola Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar
Nær Anjanabonoina, Ambohimanambola Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar

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

27 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:

Albite
Formula: Na(AlSi3O8)
Reference: Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Albite var: Cleavelandite
Formula: Na(AlSi3O8)
Reference: Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Annite
Formula: KFe2+3(AlSi3O10)(OH)2
Bertrandite
Formula: Be4(Si2O7)(OH)2
Reference: Knut Edvard Larsen collection # MM-1563 ( Identified by xrd at Natural History Museum, Oslo)
Beryl
Formula: Be3Al2(Si6O18)
Reference: Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Beryl var: Alkali-beryl
Formula: Be3Al2(Si6O18)
Reference: Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. 624p [p.554-556]
Beryl var: Morganite
Formula: Be3Al2(Si6O18)
Reference: Wilson, W. E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Bismite
Formula: Bi2O3
Reference: Behier, J. (1960): Contribution á la Minéralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive, p 21
Bismuth
Formula: Bi
Reference: Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris, p.156; Wilson, W. E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Chrysoberyl
Formula: BeAl2O4
Reference: Pezzotta, F. (1999): Madagaskar- Da Paradies der Mineralien und Edelsteine. Extra Lapis 17. 56-59
'Columbite-(Fe)-Columbite-(Mn) Series'
Reference: Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Danburite
Formula: CaB2Si2O8
Reference: Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Dravite
Formula: Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Pezzotta F., Pagano R., 2005. Madagascar. Breve storia della ricerca mineralogica. Riv. Mineral. Ital., 30, 2: 76-86
'Dravite-Schorl Series'
'Elbaite-Liddicoatite Series'
Reference: Dirlam, D.M., Laurs, B.M., Pezzotta, F., and Simmons, W.B. (2002): Liddicoatite tourmaline from Anjanabonoina, Madagascar. Gems and Gemology: 38: 28-52
Fersmite
Formula: (Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Reference: Pezzotta, F. (1999): Madagaskar- Da Paradies der Mineralien und Edelsteine. Extra Lapis 17. 56-59
Feruvite ?
Formula: Ca(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
Reference: Gunnar Färber, Samswegen, 2005
Fluor-elbaite
Formula: Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
Reference: Ertl, A., Hughes, J. M., Prowatke, S., Ludwig, T., Prasad, P. S. R., Brandstätter, F., Körner, W., Schuster, R., Pertlik, F. and Marschall, H. (2006): Tetrahedrally coordinated boron in tourmalines from the liddicoatite-elbaite series from Madagascar: Structure, chemistry, and infrared spectroscopic studies. Am. Mineral. 91, 1847-1856. [F-dominant]
Fluor-liddicoatite
Formula: Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Reference: Ertl, A., Hughes, J. M., Prowatke, S., Ludwig, T., Prasad, P. S. R., Brandstätter, F., Körner, W., Schuster, R., Pertlik, F. and Marschall, H. (2006): Tetrahedrally coordinated boron in tourmalines from the liddicoatite-elbaite series from Madagascar: Structure, chemistry, and infrared spectroscopic studies. Am. Mineral. 91, 1847-1856. [F-dominant]; Lussier, A. J., Abdu, Y., Hawthorne, F. C., Michaelis, V. K., Aguiar, P. M. and Kroeker, S. (2011): Oscillatory zoned liddicoatite from Anjanabonoina, central Madagascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy. Can. Mineral. 49, 63-88. [F-dominant]
'commodity:Gemstones'
Reference:  
Gibbsite
Formula: Al(OH)3
Reference: Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Hambergite
Formula: Be2(BO3)(OH)
Reference: Lacroix, A. (1909): Sur la hambergite de Madagascar. Bulletin de la Société française de Minéralogie, Paris. 32, 320-324; Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200 Min. Record 20 (1989), p 191-200/
'K Feldspar'
'Lepidolite'
Reference: Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
'Liddicoatite' ?
Formula: Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200; Dirlam, D.M., Laurs, B.M., Pezzotta, F., and Simmons, W.B. (2002): Liddicoatite tourmaline from Anjanabonoina, Madagascar. Gems and Gemology: 38: 28-52
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
'Marble'
Reference: De Vito, C., Pezzotta, F., Ferrini, V., and Aurisicchio, C. (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist: 44: 87-103.
Microcline
Formula: K(AlSi3O8)
Reference: Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Microcline var: Amazonite
Formula: K(AlSi3O8)
Reference: Lacroix, A. (1922): Mineralogie de Madagascar, Tome I. Géologie-Minéralogie descriptive. A.Challamel (Éditeur), Paris. 624p (p.566)
'Microlite Group'
Formula: A2-mTa2X6-wZ-n
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Van King
'Orthogneiss'
Reference: De Vito, C., Pezzotta, F., Ferrini, V., and Aurisicchio, C. (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist: 44: 87-103.
'Paragneiss'
Reference: De Vito, C., Pezzotta, F., Ferrini, V., and Aurisicchio, C. (2006): Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist: 44: 87-103.
'Pegmatite'
Reference: Wilson, W. E. (1989): The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Phenakite
Formula: Be2SiO4
Reference: Wilson, W.E. (1984): What's new in Minerals ? Munich show 1983. Mineralogical Record 15: 118; Wilson, W. E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
'Pyrochlore Supergroup'
Formula: A2-mD2X6-wZ1-n
Reference: Pezzotta, F. (1999): Madagaskar- Da Paradies der Mineralien und Edelsteine. Extra Lapis 17. 56-59
'Pyrochlore Supergroup var: Betafite (of Hogarth 1977)'
Formula: A2-mD2X6-wZ1+w
Quartz
Formula: SiO2
Reference: Wilson, W. E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Quartz var: Rutilated Quartz
Formula: SiO2
Reference: Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Quartz var: Smoky Quartz
Formula: SiO2
Reference: Wilson, W. E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
'Rubellite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Rutile
Formula: TiO2
Reference: Wilson, W. E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: Wilson, W. E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Spodumene
Formula: LiAlSi2O6
Reference: Wilson, W. E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Wilson, W. E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
'Tourmaline'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Wilson, W. E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
'Tourmaline var: Achroite'
Formula: A(D3)G6(T6O18)(BO3)3X3Z
Reference: Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Vermiculite
Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Xenotime-(Y)
Formula: Y(PO4)
Reference: Dirlam, D.M., Laurs, B.M., Pezzotta, F., and Simmons, W.B. (2002): Liddicoatite tourmaline from Anjanabonoina, Madagascar. Gems and Gemology: 38: 28-52
'Zinnwaldite'
Reference: Wilson, W. E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200
Zircon
Formula: Zr(SiO4)
Reference: Pezzotta, F. (1999): Madagaskar- Da Paradies der Mineralien und Edelsteine. Extra Lapis 17. 56-59

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Bismuth'1.CA.05Bi
Group 4 - Oxides and Hydroxides
'Bismite'4.CB.60Bi2O3
'Chrysoberyl'4.BA.05BeAl2O4
Fersmite4.DG.05(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Gibbsite4.FE.10Al(OH)3
Magnetite4.BB.05Fe2+Fe3+2O4
Microlite Group4.00.A2-mTa2X6-wZ-n
Pyrochlore Group4.00.A2Nb2(O,OH)6Z
Quartz4.DA.05SiO2
var: Rutilated Quartz4.DA.05SiO2
var: Smoky Quartz4.DA.05SiO2
Rutile4.DB.05TiO2
Group 6 - Borates
Hambergite6.AB.05Be2(BO3)(OH)
Group 8 - Phosphates, Arsenates and Vanadates
Xenotime-(Y)8.AD.35Y(PO4)
Group 9 - Silicates
'Albite'9.FA.35Na(AlSi3O8)
var: Cleavelandite9.FA.35Na(AlSi3O8)
Annite9.EC.20KFe2+3(AlSi3O10)(OH)2
Bertrandite9.BD.05Be4(Si2O7)(OH)2
Beryl9.CJ.05Be3Al2(Si6O18)
var: Alkali-beryl9.CJ.05Be3Al2(Si6O18)
var: Morganite9.CJ.05Be3Al2(Si6O18)
Danburite9.FA.65CaB2Si2O8
Dravite9.CK.05Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Feruvite ?9.CK.05Ca(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
Liddicoatite ?9.CK.05Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Microcline9.FA.30K(AlSi3O8)
var: Amazonite9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Phenakite9.AA.05Be2SiO4
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Spodumene9.DA.30LiAlSi2O6
Topaz9.AF.35Al2(SiO4)(F,OH)2
Vermiculite9.EC.50Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
Columbite-(Fe)-Columbite-(Mn) Series-
Dravite-Schorl Series-
Elbaite-Liddicoatite Series-
Fluor-elbaite-Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
Fluor-liddicoatite-Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
K Feldspar-
Lepidolite-
Marble-
Orthogneiss-
Paragneiss-
Pegmatite-
Pyrochlore Supergroup-A2-mD2X6-wZ1-n
'var: Betafite (of Hogarth 1977)'-A2-mD2X6-wZ1+w
Rubellite-A(D3)G6(T6O18)(BO3)3X3Z
Tourmaline-A(D3)G6(T6O18)(BO3)3X3Z
'var: Achroite'-A(D3)G6(T6O18)(BO3)3X3Z
Zinnwaldite-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Semi-metals and non-metals
Bismuth1.3.1.4Bi
Group 4 - SIMPLE OXIDES
A2X3
Bismite4.3.10.2Bi2O3
AX2
Rutile4.4.1.1TiO2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
X(OH)3
Gibbsite6.3.1.1Al(OH)3
Group 7 - MULTIPLE OXIDES
AB2X4
Chrysoberyl7.2.9.1BeAl2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
'Microlite Group'8.2.2.1A2-mTa2X6-wZ-n
'Pyrochlore Group'8.2.1.1A2Nb2(O,OH)6Z
'Pyrochlore Supergroup
var: Betafite (of Hogarth 1977)'
8.2.3.1A2-mD2X6-wZ1+w
AB2O6
Fersmite8.3.3.1(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Group 25 - ANHYDROUS BORATES CONTAINING HYDROXYL OR HALOGEN
Monoborates
Hambergite25.1.1.1Be2(BO3)(OH)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [4] coordination
Phenakite51.1.1.1Be2SiO4
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 56 - SOROSILICATES Si2O7 Groups, With Additional O, OH, F and H2O
Si2O7 Groups and O, OH, F, and H2O with cations in [4] coordination
Bertrandite56.1.1.1Be4(Si2O7)(OH)2
Si2O7 Groups and O, OH, F, and H2O with[Si2O7] with borate groups
Danburite56.3.1.1CaB2Si2O8
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with borate groups
Dravite61.3.1.9Na(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Feruvite ?61.3.1.4Ca(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
'Liddicoatite' ?61.3.1.2Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Spodumene65.1.4.1LiAlSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Annite71.2.2b.3KFe2+3(AlSi3O10)(OH)2
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
Vermiculite71.2.2d.3Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Rocks, etc.
Albite
var: Cleavelandite
-Na(AlSi3O8)
Beryl
var: Alkali-beryl
-Be3Al2(Si6O18)
var: Morganite-Be3Al2(Si6O18)
'Columbite-(Fe)-Columbite-(Mn) Series'-
'Dravite-Schorl Series'-
'Elbaite-Liddicoatite Series'-
Fluor-elbaite-Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
Fluor-liddicoatite-Ca(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
'K Feldspar'-
'Lepidolite'-
'Marble'-
Microcline
var: Amazonite
-K(AlSi3O8)
'Orthogneiss'-
'Paragneiss'-
'Pegmatite'-
'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n
Quartz
var: Rutilated Quartz
-SiO2
var: Smoky Quartz-SiO2
'Rubellite'-A(D3)G6(T6O18)(BO3)3X3Z
'Tourmaline'-A(D3)G6(T6O18)(BO3)3X3Z
'var: Achroite'-A(D3)G6(T6O18)(BO3)3X3Z
Xenotime-(Y)-Y(PO4)
'Zinnwaldite'-

List of minerals for each chemical element

HHydrogen
H AnniteKFe32+(AlSi3O10)(OH)2
H BertranditeBe4(Si2O7)(OH)2
H DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
H Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
H FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
H Fluor-elbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
H Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
H GibbsiteAl(OH)3
H HambergiteBe2(BO3)(OH)
H LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
H MuscoviteKAl2(AlSi3O10)(OH)2
H Pyrochlore GroupA2Nb2(O,OH)6Z
H TopazAl2(SiO4)(F,OH)2
H VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
LiLithium
Li Fluor-elbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
Li Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Li LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Li SpodumeneLiAlSi2O6
BeBeryllium
Be Beryl (var: Alkali-beryl)Be3Al2(Si6O18)
Be BertranditeBe4(Si2O7)(OH)2
Be BerylBe3Al2(Si6O18)
Be ChrysoberylBeAl2O4
Be HambergiteBe2(BO3)(OH)
Be Beryl (var: Morganite)Be3Al2(Si6O18)
Be PhenakiteBe2SiO4
BBoron
B Tourmaline (var: Achroite)A(D3)G6(T6O18)(BO3)3X3Z
B DanburiteCaB2Si2O8
B DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
B FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
B Fluor-elbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
B Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
B HambergiteBe2(BO3)(OH)
B LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
B RubelliteA(D3)G6(T6O18)(BO3)3X3Z
B TourmalineA(D3)G6(T6O18)(BO3)3X3Z
OOxygen
O Tourmaline (var: Achroite)A(D3)G6(T6O18)(BO3)3X3Z
O AlbiteNa(AlSi3O8)
O Beryl (var: Alkali-beryl)Be3Al2(Si6O18)
O Microcline (var: Amazonite)K(AlSi3O8)
O AnniteKFe32+(AlSi3O10)(OH)2
O BertranditeBe4(Si2O7)(OH)2
O BerylBe3Al2(Si6O18)
O BismiteBi2O3
O ChrysoberylBeAl2O4
O Albite (var: Cleavelandite)Na(AlSi3O8)
O DanburiteCaB2Si2O8
O DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
O Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
O FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
O Fluor-elbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
O Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
O GibbsiteAl(OH)3
O HambergiteBe2(BO3)(OH)
O LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
O MagnetiteFe2+Fe23+O4
O MicroclineK(AlSi3O8)
O Beryl (var: Morganite)Be3Al2(Si6O18)
O MuscoviteKAl2(AlSi3O10)(OH)2
O PhenakiteBe2SiO4
O Pyrochlore GroupA2Nb2(O,OH)6Z
O QuartzSiO2
O RubelliteA(D3)G6(T6O18)(BO3)3X3Z
O Quartz (var: Rutilated Quartz)SiO2
O RutileTiO2
O Quartz (var: Smoky Quartz)SiO2
O SpessartineMn32+Al2(SiO4)3
O SpodumeneLiAlSi2O6
O TopazAl2(SiO4)(F,OH)2
O TourmalineA(D3)G6(T6O18)(BO3)3X3Z
O VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
O Xenotime-(Y)Y(PO4)
O ZirconZr(SiO4)
FFluorine
F Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
F Fluor-elbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
F Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
F TopazAl2(SiO4)(F,OH)2
NaSodium
Na AlbiteNa(AlSi3O8)
Na Albite (var: Cleavelandite)Na(AlSi3O8)
Na DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Na Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Na Fluor-elbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
MgMagnesium
Mg DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Mg FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
Mg VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
AlAluminium
Al AlbiteNa(AlSi3O8)
Al Beryl (var: Alkali-beryl)Be3Al2(Si6O18)
Al Microcline (var: Amazonite)K(AlSi3O8)
Al AnniteKFe32+(AlSi3O10)(OH)2
Al BerylBe3Al2(Si6O18)
Al ChrysoberylBeAl2O4
Al Albite (var: Cleavelandite)Na(AlSi3O8)
Al DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Al FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
Al Fluor-elbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
Al Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Al GibbsiteAl(OH)3
Al LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Al MicroclineK(AlSi3O8)
Al Beryl (var: Morganite)Be3Al2(Si6O18)
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al SpessartineMn32+Al2(SiO4)3
Al SpodumeneLiAlSi2O6
Al TopazAl2(SiO4)(F,OH)2
Al VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
SiSilicon
Si AlbiteNa(AlSi3O8)
Si Beryl (var: Alkali-beryl)Be3Al2(Si6O18)
Si Microcline (var: Amazonite)K(AlSi3O8)
Si AnniteKFe32+(AlSi3O10)(OH)2
Si BertranditeBe4(Si2O7)(OH)2
Si BerylBe3Al2(Si6O18)
Si Albite (var: Cleavelandite)Na(AlSi3O8)
Si DanburiteCaB2Si2O8
Si DraviteNa(Mg3)Al6(Si6O18)(BO3)3(OH)3(OH)
Si FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
Si Fluor-elbaiteNa(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F
Si Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Si LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
Si MicroclineK(AlSi3O8)
Si Beryl (var: Morganite)Be3Al2(Si6O18)
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si PhenakiteBe2SiO4
Si QuartzSiO2
Si Quartz (var: Rutilated Quartz)SiO2
Si Quartz (var: Smoky Quartz)SiO2
Si SpessartineMn32+Al2(SiO4)3
Si SpodumeneLiAlSi2O6
Si TopazAl2(SiO4)(F,OH)2
Si VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Si ZirconZr(SiO4)
PPhosphorus
P Xenotime-(Y)Y(PO4)
KPotassium
K Microcline (var: Amazonite)K(AlSi3O8)
K AnniteKFe32+(AlSi3O10)(OH)2
K MicroclineK(AlSi3O8)
K MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Ca DanburiteCaB2Si2O8
Ca Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Ca FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
Ca Fluor-liddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3F
Ca LiddicoatiteCa(Li2Al)Al6(Si6O18)(BO3)3(OH)3(OH)
TiTitanium
Ti Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Ti RutileTiO2
MnManganese
Mn SpessartineMn32+Al2(SiO4)3
FeIron
Fe AnniteKFe32+(AlSi3O10)(OH)2
Fe FeruviteCa(Fe2+)3MgAl5(Si6O18)(BO3)3(OH)3(OH)
Fe MagnetiteFe2+Fe23+O4
Fe VermiculiteMg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
YYttrium
Y Xenotime-(Y)Y(PO4)
ZrZirconium
Zr ZirconZr(SiO4)
NbNiobium
Nb Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Nb Pyrochlore GroupA2Nb2(O,OH)6Z
CeCerium
Ce Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
TaTantalum
Ta Fersmite(Ca,Ce,Na)(Nb,Ta,Ti)2(O,OH,F)6
Ta Microlite GroupA2-mTa2X6-wZ-n
BiBismuth
Bi BismiteBi2O3
Bi BismuthBi

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Lacroix, A. (1908) Les minéraux des filons de pegmatite à tourmaline lithique de Madagascar. Bulletin de la Société Francaise de Minéralogie 31: 218- 247 [with notes on tourmaline from Anjanabonoina].
Lacroix, A. (1909) Sur la hambergite de Madagascar. Bulletin de la Société française de Minéralogie, Paris, 32: 320-324.
Lacroix, A. (1922-23) Minéralogie de Madagascar. Tome I-III, A. Challamel (Éditeur), Paris.
Behier, J. (1963) Carte minéralogique de Madagascar. Archive Service Géologique Madagascar. A 1871.
Switzer, G., Clarke Jr, R.S, Sinkankas, J., and Worthing, H.W. (1965) Fluorine in hambergite. American Mineralogist 50: 85-95 [with analysis on hambergite from Anjanabonoina].
Bancroft, P. (xxxx) Gem & Crystal Treasures. Published by Western Enterprises/Mineralogical Record, 488p. [On Anjanabononia : p. 322-325].
Strunz, H. (1979) Anjanabonoina, Fundort schönster Tourmaline. Lapis 4: 24-27, 47-48.
Wilson, W.E. (1984) What's new in Minerals? Munich show 1983. Mineralogical Record 15: 118 [on a find of phenakite].
Wilson, W.E. (1989) The Anjanabonoina pegmatite, Madagascar. Mineralogical Record 20: 191-200.
Pezzotta, F. (1999) Madagaskar - Das Paradies der Mineralien und Edelsteine. Extra Lapis 17: 56-59 (German version).
De Vito, C., Aurisicchio, C., Ferrini, V., and Pezzotta, F. (2002) Nb-Ta oxides from Anjanabonoina pegmatite. International Mineralogical Association 18th General Meeting (Edinburgh), Program Abstract: 275.
De Vito, C., Aurisicchio, C., Ferrini, V., and Pezzotta, F. (2002) Chemical composition and B, O and H isotopes of tourmaline from Anjanabonoina pegmatite. International Mineralogical Association, 18th General Meeting (Edinburgh), Program Abstract: 208.
Dini, A., Tonarini, S., Pezzotta, F., and De Vito, C. (2002) Boron isotopes study of borates and boro-silicates from Anjanabonoina and Tetezantsio pegmatites (central Madagascar). International Mineralogical Association, 18th General Meeting (Edinburgh), Program Abstract: 210.
Dirlam, D.M., Laurs, B.M., Pezzotta, F., and Simmons, W.B. (2002) Liddicoatite tourmaline from Anjanabonoina, Madagascar. Gems and Gemology 38: 28-52.
De Vito, C., Pezzotta, F., Ferrini, V., and Aurisicchio, C. (2006) Nb-Ti-Ta oxides in the gem-mineralized and "hybrid" Anjanabonoina granitic pegmatite, central Madagascar: A record of magmatic and postmagmatic events. Canadian Mineralogist 44: 87-103.
Ertl, A., Hughes, J.M., Prowatke, S., Ludwig, T., Prasad, P.S.R., Brandstätter, F., Körner, W., Schuster, R., Pertlik, F. and Marschall, H. (2006) Tetrahedrally coordinated boron in tourmalines from the liddicoatite-elbaite series from Madagascar: Structure, chemistry, and infrared spectroscopic studies. American Mineralogist 91: 1847-1856 [both F-dominant].
Lussier, A.J., Abdu, Y., Hawthorne, F.C., Michaelis, V.K., Aguiar, P.M., and Kroeker, S. (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madagascar. I. Crystal chemistry and structure by SREF and 11B and 27Al MAS NMR spectroscopy. Canadian Mineralogist 49: 63-88. [F-dominant].
Lussier, A.J. and Hawthorne, F. (2011) Oscillatory zoned liddicoatite from Anjanabonoina, central Madagascar. II. Compositional variation and mecanisms of substitution. Canadian Mineralogist 49: 89-103.

Localities in this Region
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Madagascar
  • Antananarivo Province
    • Vakinankaratra Region
      • Betafo District
        • Ambohimanambola Commune

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