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Vohibarika, Soavary, Taolagnaro District, Anosy, Madagascari
Regional Level Types
VohibarikaGroup of Placers
SoavaryCommune
Taolagnaro DistrictDistrict
AnosyRegion
MadagascarCountry

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Latitude & Longitude (WGS84):
24° 13' 27'' South , 47° 22' 41'' East
Latitude & Longitude (decimal):
-24.22417,47.37806
GRN:
S17E31
Type:
Group of Placers
Köppen climate type:
Am : Tropical monsoon climate
Mindat Locality ID:
479699
Long-form identifier:
mindat:1:2:479699:5
GUID (UUID V4):
0


Beach sand placers.
Located "NE of Fort Dauphin" [formerly name of Taolagnaro].
"Ilmenites" (derived from charnockites) studied turned out to be "crichtonite and of ferri-ilmenites by exsolution of titanohematite".
The "crichtonite" is probably a crichtonite-group mineral.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


2 valid minerals.

Detailed Mineral List:

ⓘ 'Crichtonite Group'
Formula: AD21O38 or A{DE2G6Ti12}O38
ⓘ Hematite
Formula: Fe2O3
ⓘ Hematite var. Titanohematite
Formula: (Fe,Ti)2O3
ⓘ Ilmenite
Formula: Fe2+TiO3
ⓘ Ilmenite var. Ferrian Ilmenite
Formula: (Fe,Ti)2O3

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘHematite4.CB.05Fe2O3
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘvar. Ferrian Ilmenite4.CB.05(Fe,Ti)2O3
ⓘHematite
var. Titanohematite		4.CB.05(Fe,Ti)2O3
Unclassified
ⓘ'Crichtonite Group'-AD21O38 or A{DE2G6Ti12}O38

List of minerals for each chemical element

OOxygen
Oⓘ HematiteFe2O3
Oⓘ IlmeniteFe2+TiO3
Oⓘ Ilmenite var. Ferrian Ilmenite(Fe,Ti)2O3
Oⓘ Crichtonite GroupAD21O38 or A{DE2G6Ti12}O38
Oⓘ Hematite var. Titanohematite(Fe,Ti)2O3
TiTitanium
Tiⓘ IlmeniteFe2+TiO3
Tiⓘ Ilmenite var. Ferrian Ilmenite(Fe,Ti)2O3
Tiⓘ Crichtonite GroupAD21O38 or A{DE2G6Ti12}O38
Tiⓘ Hematite var. Titanohematite(Fe,Ti)2O3
FeIron
Feⓘ HematiteFe2O3
Feⓘ IlmeniteFe2+TiO3
Feⓘ Ilmenite var. Ferrian Ilmenite(Fe,Ti)2O3
Feⓘ Hematite var. Titanohematite(Fe,Ti)2O3

Other Regions, Features and Areas containing this locality

African Plate
Madagascar
Somali PlateTectonic Plate

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Bolfa, Joseph, La Roche, H. de, Kern, Raymond, Capitant, M., Kieu Duong, Phan (1961) Sur la nature minéralogique exacte d'exsolutions dans les « ilménites » de Vohibarika (Madagascar) déterminée à la microsonde électronique. Bulletin de Minéralogie, 84 (4) 400-401 doi:10.3406/bulmi.1961.5523
Bolfa, Joseph, Chevallier, Raymond, La Roche, H. de, Kern, Raymond (1961) Contribution à l'étude des « ilménites » du sud-est de Madagascar et du Sénégal. Relations avec la nature de « l'arizonite ». Bulletin de Minéralogie, 84 (1) 33-39 doi:10.3406/bulmi.1961.5447
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