0,7 mm crystal – A very small number of similar crystals were found in the Loire alluvials. One of them has been analysed par Emmanuel Fritsch CNRS - Nantes, France. Exactly, it is a practically median term between the two poles of the solid solution clinoenstatite-clinoferrosilite : clinohypersthene. Crystals are twinned on {100}. - Photo and collection François Périnet
This photo has been shown 237 times