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The area is part of the Betroka-Beraketa shear belt, a tectonic structure rich in minerals and gemstones. Deposit here have produced some of the finest color kornerupine stones, an increasing popular gemstone, which in the spiritual world is considered a teaching and communication stone, thought to stabilise emotional swings of manic-depressives and assists seeing through false agreements in one's current reality.... Other minerals in the area include plagioclase gneisses with two-pyroxenes, leptinitic gneiss with garnet, sillimanite and cordierite, quartzites, metapelites with cordierite-orthopyroxene-garnet-plagioclase, with spinel and sapphirine, calc silicate.
== Links ==
* [http://www.freilichminerals.com/?page=shop/flypage&product_id=605&CLSN_2683=1257884079268353aec789b4c1f5b02e http://www.freilichminerals.com]
* http://www.johnbetts-fineminerals.com/jhbnyc/mineralmuseum/gallery.php?init=&loc=Madagascar
* http://www.findyourfate.com/gemology/gemstones/Kornerupine.html