The NWA 8694 Chassignite is for sale from the source! I acquired in 2014 a little 54.8 g stone that turn to be the third martian meteorite of this type. The Chassigny meteorite, the type name, fell in Chassigny, Haute Marne, France, on 3 October 1815. Petrography and classification: (Roger Hewins, Sylvain Pont, Brigitte Zanda, MNHNP) This meteorite is a cumulate dunite with 85% highly fractured olivine, classified as a chassignite.