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Mananjary emerald District, Mananjary District, Vatovavy-Fitovinany Region, Fianarantsoa Province, Madagascar

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Location is approximate, estimate based on other nearby localities.
Latitude & Longitude (WGS84): 21° South , 48° East (est.)
Margin of Error:~59km
Köppen climate type:Af : Tropical rainforest climate

Emeralds was first reported found in this area in the beginning of the 1960s. Emeralds colored by vanadium instead of chromium. The emerald mineralisation occurs in phlogopite in contact between pegmatite and basic/ultrabasic rocks. The emeralds were formed cause to metasomatic processes related to the Pan-African tectonometamorphic event. The area has been divided by Cheilletz et al. in 2 zones: A north zone and a south zone.

Mineral List

Mineral list contains entries from the region specified including sub-localities

24 valid minerals.

Localities in this Region


This page contains all mineral locality references listed on 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 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.


- Grundmann, G. (2001): Die Smaragde der Welt. ExtraLapis 21: 26-37 [german version]

- A. Cheilletz et al.: OS06 : TUpm30 : G5 : Emerald Deposits in Madagascar: Two Differents Types for one Mineralising Event:EUG XI.Symposium OS06 Mineralogy, Ore Geology and Mineral Resources.; see

- Moine, B. et al. (2004): Comptes Rendus Geosciences 336, 513-522. (in French)

- Groat, L.A., Giuliani, G., Marshall, D.D., and Turner, D. (2008): Emerald deposits and occurrences: A review. Ore Geology Reviews 34, 87-112.

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