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Sakavalana mine, Ambatovita, Mandrosonoro Commune, Ambatofinandrahana District, Amoron'i Mania Region, Fianarantsoa Province, Madagascar

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Latitude & Longitude (WGS84): 20° 44' 48'' South , 46° 4' 30'' East
Latitude & Longitude (decimal): -20.74667,46.07500
GeoHash:G#: mh2cbrnvc
Locality type:Mine
Köppen climate type:Cwa : Monsoon-influenced humid subtropical climate
Name(s) in local language(s):Karieran'i Sakavalana, Ambatovita, Kaominin'i Mandrosonoro, Distrikan' Ambatofinandrahana, Faritra Amoron'i Mania, Faritanin'i Fianarantsoa, Madagasikara


Gem mining in a granitic pegmatite 4-6 meters wide with a length of 200 meters. Noteworthy as the type locality of pezzottaite.

Located in the northern part of the Ampandramaika-Malakialina pegmatite field in the central highland of Madagascar, about 140 km south of Antsirabe.

The pegmatite is hosted by marbles belonging to the Vohimena group. Mining started here at the beginning of the 1940s by French colonists, and in November-December 2002 a large cavity containing multicolored tourmaline and deep pink crystals was discovered. The deep pink crystals, which were first designated "raspberry" beryl (béryl framboise), were later shown to be a new mineral species, pezzottaite (Laurs et al. 2003).


Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


21 valid minerals. 1 (TL) - type locality of 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!

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Alphabetical List Tree Diagram

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Mesoproterozoic
1000 - 1600 Ma



ID: 3306667

Age: Mesoproterozoic (1000 - 1600 Ma)

Lithology: Plutonic and metamorphic

Reference: Thiéblemont, D. (ed.). New edition of the 1:10,000,000 geological map of Africa. CGMW-BRGM. [190]

Ectasian - Calymmian
1200 - 1600 Ma



ID: 3184647
Mesoproterozoic crystalline metamorphic rocks

Age: Mesoproterozoic (1200 - 1600 Ma)

Lithology: Crystalline metamorphic rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License



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

Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Warin, R. and Jacques, B. (2003) Le béryl-Cs d'Ambatovita, Madagascar - Morphologie et aspects macroscopiques. Le Régne Minéral, 52, 36-41.
Laurs, M.B., Simmons, W., Rossmann, G.R., Quinn, E.P., McClure, Shane F., Peretti, A., Armbuster, T., Hawthorne, F.C., Falster, A.U., Gunther, D., Cooper, M.A., and Grobéty, B. (2003) Pezzottaite from Ambatovita, Madagascar: A new Gem mineral. Gems & Gemology, 39 (4), 284-301.
Brendan, L., Simmons, W., Pezzotta, F., and Falster, A. (2004) The role of late-stage hydrothermal cesium remobilization in the formation of pezzottaite at the Sakavalana pegmatite, Madagascar. 32nd International Geological Congress, Florence, Italy. Session 142-Gem materials.
Hawthorne, F.C., Cooper, M.A., Simmons, W.B., Falster, S.U., Laurs, B.M., Armbruster, T., Rossman, G.R., Peretti, A., Gunther, D., Cooper, M.A., and Grobéty, B. (2004) Pezzottaite, Cs(Be2Li)Al2Si6O18, a spectacular new beryl-group mineral from the Sakavalana Pegmatite, Fianarantsoa Province, Madagascar. Mineralogical Record, 35, 369-378.
Pezzotta, F., Guastoni, A., Forner, H., Demartin, F., and Kristiansen, R. (2004) Exceptional chiavennite associated with pezzottaite from the Sakavalana Pegmatite, Ambatovita, Madagascar. Website of Mineralogical Society of America. www.minsocam.org/msa/Pegmatites.html
Pezzotta, F. (2005) Pezzottaite. Ad Ambatovita in Madagascar una scoperta tra avventura e scienza. Rivista Mineralogical Italiana, 30 (2), 88-103.
Pezzotta, F. (2005) La pegmatite di Ambatovita, un giacimento ricco di micro-minerali. Rivista Mineralogical Italiana, 30 (2), 100-101.
Pezzotta, F., Guastoni, A., Forner, H., Demartin, F., and Kristiansen, R. (2005) Découverte exceptionnelle de chiavennite associée à pezzottaite dans la pegmatite de Sakavalana, Mandrosonoro, Madagascar. Le Règne Minéral, 62, 25-28.

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