“Intensely colored mass, which can be observed very fine grained areas and appearance almost porcelain and other areas of greater grain size.
Pyroxmangite Has been linked to with areas of very fine grained, while the rhodonite with coarse-grained, apparently this is not correct and appear to be two species present independently of grain size.
Very well observed, the exterior band of alteration (partial) to Mn oxides.
Size-9x7x4 cm.”
Agustin Agudo Espinosa - 16th July 2012