A group of at last 3 small quarries located south of the village Antsira in the Sahatany Valley SW of the town Antsirabe in the central highland of Madagascar. Pegmatites of complex type (LCT) hosted in marble are worked for gem polychromatic tourmalines.
Reference:
- Lacroix, A. (1912): Sur quelques mineraux des pegmatites du Vakinankaratra. Bull.soc.min.franc 35, 76-84 (on spodumene)
- Rakotoarison, W: Les pegmatites de la Sahatany, Madagascar. Archive du Service Geologique Madagascar A.1983. 1-39