A quarry situated just SE of the village of Itremo in the central highland of Madagascar. A 300m thick horizon of fine-grained lazulite-tourmaline-dumortierite-bearing metaquartzite is exposed in the quarry.
References:
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
Mineral List:15 entries listed. 13 valid minerals.
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