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Ambindavato, Sakoa area, Betioky District, Atsimo-Andrefana Region, Tuléar Province (Toliara), Madagascar

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 24° 50' 29'' South , 45° 28' 32'' East (est.)
Margin of Error:~0km
Köppen climate type:Aw : Tropical savanna, wet


The locality was discovered by Henri Besaire in 1927. Located on the southern slope of Mt. Ambindavato, 2 km east of Mavonono-Sakoa. A rhodonite lense 10 m x 1,5-2m large embedded in a serpentinite associated with garnet-bearing amphibolite (Lacroix 1939).

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Braunite
Formula: Mn2+Mn3+6(SiO4)O8
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive.p 22
Chrysotile
Formula: Mg3(Si2O5)(OH)4
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Fluorite
Formula: CaF2
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Magnesite
Formula: MgCO3
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Pyrolusite
Formula: Mn4+O2
Reference: Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive.p 22
Quartz
Formula: SiO2
Reference: Lacroix , A. (1939): Observation sur quelques minéraux de Madagascar. Bulletin de la Société française de minéralogie. 62: 300-309
Rhodonite
Formula: Mn2+SiO3
Reference: Lacroix , A. (1939): Observation sur quelques minéraux de Madagascar. Bulletin de la Société française de minéralogie. 62: 300-309; Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive.p 22
'Serpentine Subgroup'
Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: Lacroix , A. (1939): Observation sur quelques minéraux de Madagascar. Bulletin de la Société française de minéralogie. 62: 300-309

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
'Fluorite'3.AB.25CaF2
Group 4 - Oxides and Hydroxides
'Pyrolusite'4.DB.05Mn4+O2
'Quartz'4.DA.05SiO2
Group 5 - Nitrates and Carbonates
'Magnesite'5.AB.05MgCO3
Group 9 - Silicates
'Braunite'9.AG.05Mn2+Mn3+6(SiO4)O8
'Chrysotile'9.ED.15Mg3(Si2O5)(OH)4
'Rhodonite'9.DK.05Mn2+SiO3
'Spessartine'9.AD.25Mn2+3Al2(SiO4)3
Unclassified Minerals, Rocks, etc.
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 7 - MULTIPLE OXIDES
(AB)2X3
Braunite7.5.1.3Mn2+Mn3+6(SiO4)O8
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Magnesite14.1.1.2MgCO3
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=5
Rhodonite65.4.1.1Mn2+SiO3
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 1:1 layers
Chrysotile71.1.5.1Mg3(Si2O5)(OH)4
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Rocks, etc.
'Serpentine Subgroup'-D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

List of minerals for each chemical element

HHydrogen
H ChrysotileMg3(Si2O5)(OH)4
H Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
CCarbon
C MagnesiteMgCO3
OOxygen
O BrauniteMn2+Mn63+(SiO4)O8
O ChrysotileMg3(Si2O5)(OH)4
O MagnesiteMgCO3
O PyrolusiteMn4+O2
O QuartzSiO2
O RhodoniteMn2+SiO3
O Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
O SpessartineMn32+Al2(SiO4)3
FFluorine
F FluoriteCaF2
MgMagnesium
Mg ChrysotileMg3(Si2O5)(OH)4
Mg MagnesiteMgCO3
Mg Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
AlAluminium
Al Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Al SpessartineMn32+Al2(SiO4)3
SiSilicon
Si BrauniteMn2+Mn63+(SiO4)O8
Si ChrysotileMg3(Si2O5)(OH)4
Si QuartzSiO2
Si RhodoniteMn2+SiO3
Si Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Si SpessartineMn32+Al2(SiO4)3
CaCalcium
Ca FluoriteCaF2
MnManganese
Mn BrauniteMn2+Mn63+(SiO4)O8
Mn PyrolusiteMn4+O2
Mn RhodoniteMn2+SiO3
Mn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
Mn SpessartineMn32+Al2(SiO4)3
FeIron
Fe Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
NiNickel
Ni Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn
ZnZinc
Zn Serpentine SubgroupD3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Lacroix , A. (1939): Observation sur quelques minéraux de Madagascar. Bulletin de la Société française de minéralogie. 62: 300-309
Behier, J. (1960): Contribution á la mineralogie de Madagascar. Annales Géologiques de Madagascar XXIX, Tananarive. p 22 (in part)
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871


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