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Andonabe Commune, Mananjary District, Vatovavy Fitovinany, Madagascari
Regional Level Types
Andonabe CommuneCommune
Mananjary DistrictDistrict
Vatovavy FitovinanyRegion
MadagascarCountry

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Name(s) in local language(s):Kaominin' Andonabe, Distrikan' Mananjary, Faritra Vatovavy Fitovinany, Faritanin'i Fianarantsoa, Madagasikara
Neighbouring regions:
Locality type:Commune
Other/historical names associated with this locality:South zone, Mananjary emerald mining district


Emerald mineralization in pegmatites intruding highly folded and boudinaged amphibolites.

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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

9 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

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Alphabetical List Tree Diagram

Detailed Mineral List:

Anorthite
Formula: Ca(Al2Si2O8)
'Apatite'
Beryl
Formula: Be3Al2(Si6O18)
Localities: Reported from at least 7 localities in this region.
Beryl var: Emerald
Formula: Be3Al2(Si6O18)
Localities: Reported from at least 7 localities in this region.
'Biotite'
Calcite
Formula: CaCO3
'Chlorite Group'
Diopside
Formula: CaMgSi2O6
'Garnet Group'
Formula: X3Z2(SiO4)3
Molybdenite
Formula: MoS2
Phlogopite
Formula: KMg3(AlSi3O10)(OH)2
Pyrite
Formula: FeS2
Quartz
Formula: SiO2
'Scapolite'
Titanite
Formula: CaTi(SiO4)O
'Wolframite'
Formula: (Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Group 9 - Silicates
Anorthite9.FA.35Ca(Al2Si2O8)
Beryl9.CJ.05Be3Al2(Si6O18)
var: Emerald9.CJ.05Be3Al2(Si6O18)
Diopside9.DA.15CaMgSi2O6
Phlogopite9.EC.20KMg3(AlSi3O10)(OH)2
Titanite9.AG.15CaTi(SiO4)O
Unclassified Minerals, Rocks, etc.
'Apatite'-
'Biotite'-
'Chlorite Group'-
'Garnet Group'-X3Z2(SiO4)3
'Scapolite'-
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Molybdenite2.12.10.1MoS2
Pyrite2.12.1.1FeS2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] and/or >[6] coordination
Titanite52.4.3.1CaTi(SiO4)O
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Phlogopite71.2.2b.1KMg3(AlSi3O10)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Anorthite-Ca(Al2Si2O8)
'Apatite'-
Beryl
var: Emerald
-Be3Al2(Si6O18)
'Biotite'-
'Chlorite Group'-
'Garnet Group'-X3Z2(SiO4)3
'Scapolite'-
'Wolframite'-(Fe2+)WO4 to (Mn2+)WO4

List of minerals for each chemical element

HHydrogen
H PhlogopiteKMg3(AlSi3O10)(OH)2
BeBeryllium
Be Beryl (var: Emerald)Be3Al2(Si6O18)
Be BerylBe3Al2(Si6O18)
CCarbon
C CalciteCaCO3
OOxygen
O Beryl (var: Emerald)Be3Al2(Si6O18)
O DiopsideCaMgSi2O6
O Garnet GroupX3Z2(SiO4)3
O CalciteCaCO3
O TitaniteCaTi(SiO4)O
O PhlogopiteKMg3(AlSi3O10)(OH)2
O QuartzSiO2
O Wolframite(Fe2+)WO4 to (Mn2+)WO4
O AnorthiteCa(Al2Si2O8)
O BerylBe3Al2(Si6O18)
MgMagnesium
Mg DiopsideCaMgSi2O6
Mg PhlogopiteKMg3(AlSi3O10)(OH)2
AlAluminium
Al Beryl (var: Emerald)Be3Al2(Si6O18)
Al PhlogopiteKMg3(AlSi3O10)(OH)2
Al AnorthiteCa(Al2Si2O8)
Al BerylBe3Al2(Si6O18)
SiSilicon
Si Beryl (var: Emerald)Be3Al2(Si6O18)
Si DiopsideCaMgSi2O6
Si Garnet GroupX3Z2(SiO4)3
Si TitaniteCaTi(SiO4)O
Si PhlogopiteKMg3(AlSi3O10)(OH)2
Si QuartzSiO2
Si AnorthiteCa(Al2Si2O8)
Si BerylBe3Al2(Si6O18)
SSulfur
S MolybdeniteMoS2
S PyriteFeS2
KPotassium
K PhlogopiteKMg3(AlSi3O10)(OH)2
CaCalcium
Ca DiopsideCaMgSi2O6
Ca CalciteCaCO3
Ca TitaniteCaTi(SiO4)O
Ca AnorthiteCa(Al2Si2O8)
TiTitanium
Ti TitaniteCaTi(SiO4)O
MnManganese
Mn Wolframite(Fe2+)WO4 to (Mn2+)WO4
FeIron
Fe Wolframite(Fe2+)WO4 to (Mn2+)WO4
Fe PyriteFeS2
MoMolybdenum
Mo MolybdeniteMoS2
WTungsten
W Wolframite(Fe2+)WO4 to (Mn2+)WO4

References

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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Cheilletz, A. et al. (2001): OS06 : TUpm30 : G5 : Emerald Deposits in Madagascar: Two Differents Types for one Mineralising Event:EUG XI.Symposium OS06 Mineralogy, Ore Geology and Mineral Resources.

Localities in this Region
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