Corundum var. ruby Zazafatsy Commune, Ihosy Dist., ...
Description: Corundum var. ruby Zazafatsy Commune, Ihosy Dist., Fianarantsoa Province, Madagascar 3.9 x 4.3 cm A hexagonal bi-colored corundum crystal showing reddish and purple tones, surrounded by white feldspar and embedded in a black biotite schist.