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Marofarafara, Soavina Commune, Ambatofinandrahana, Amoron'i Mania, Madagascari
Regional Level Types
MarofarafaraDeposit
Soavina CommuneCommune
AmbatofinandrahanaDistrict
Amoron'i ManiaRegion
MadagascarCountry

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Key
Latitude & Longitude (WGS84):
20° South , 46° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~18km
Locality type:
Other Languages:
Malagasy:
Marofarafara, Kaominin'i Soavina, Distrikan' Ambatofinandrahana, Faritra Amoron'i Mania, Madagasikara


A deposit with a lazulite-dumortierite-bearing metaquartzite. Lazulite crystals up to 4 mm in diameter and up to 2 cm long sprays of dumortierite has been found here in about 4cm thick quartz veins (Ackermand et al. 2006)

Regions containing this locality

Somali Plate (Somalia Plate)Tectonic Plate
Fianarantsoa Province, MadagascarProvince

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


5 valid minerals.

Detailed Mineral List:

Dumortierite
Formula: (Al,Fe3+)7(SiO4)3(BO3)O3
Habit: Sprays and needles (up to 2 cm long)
Reference: Ackermand et al. (2006): Lazulite-bearing metaquartzite of the Itremo Group (Central Madagascar); Scientific significance and economic importance. in Proceedings of the Malagasy-German Research Cooperation in Life and Earth sciences, 5-18
Hematite
Formula: Fe2O3
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Kyanite
Formula: Al2(SiO4)O
Reference: Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Lazulite
Formula: MgAl2(PO4)2(OH)2
Habit: crystals up to 4 mm
Reference: Ackermand et al. (2006): Lazulite-bearing metaquartzite of the Itremo Group (Central Madagascar); Scientific significance and economic importance. in Proceedings of the Malagasy-German Research Cooperation in Life and Earth sciences, 5-18
Quartz
Formula: SiO2
Reference: Ackermand et al. (2006): Lazulite-bearing metaquartzite of the Itremo Group (Central Madagascar); Scientific significance and economic importance. in Proceedings of the Malagasy-German Research Cooperation in Life and Earth sciences, 5-18

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Lazulite8.BB.40MgAl2(PO4)2(OH)2
Group 9 - Silicates
Dumortierite9.AJ.10(Al,Fe3+)7(SiO4)3(BO3)O3
Kyanite9.AF.15Al2(SiO4)O

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)3(XO4)2Zq
Lazulite41.10.1.1MgAl2(PO4)2(OH)2
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [4] and >[4] coordination
Kyanite52.2.2c.1Al2(SiO4)O
Group 54 - NESOSILICATES Borosilicates and Some Beryllosilicates
Borosilicates and Some Beryllosilicates with (BO3)
Dumortierite54.1.2.1(Al,Fe3+)7(SiO4)3(BO3)O3
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2

List of minerals for each chemical element

HHydrogen
H LazuliteMgAl2(PO4)2(OH)2
BBoron
B Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
OOxygen
O Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
O LazuliteMgAl2(PO4)2(OH)2
O QuartzSiO2
O HematiteFe2O3
O KyaniteAl2(SiO4)O
MgMagnesium
Mg LazuliteMgAl2(PO4)2(OH)2
AlAluminium
Al Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
Al LazuliteMgAl2(PO4)2(OH)2
Al KyaniteAl2(SiO4)O
SiSilicon
Si Dumortierite(Al,Fe3+)7(SiO4)3(BO3)O3
Si QuartzSiO2
Si KyaniteAl2(SiO4)O
PPhosphorus
P LazuliteMgAl2(PO4)2(OH)2
FeIron
Fe HematiteFe2O3

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Behier, J. (1963): Carte mineralogique de Madagascar. Archive Service Géologique Madagascar. A 1871
Ackermand et al. (2006): Lazulite-bearing metaquartzite of the Itremo Group (Central Madagascar); Scientific significance and economic importance. in Proceedings of the Malagasy-German Research Cooperation in Life and Earth sciences, 5-18

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