Sperkise, Cap Blanc-Nez, France, 3 cm
Fully crystallized nodule of marcasite with crystallization in sperkise twinning.It comes from the cliffs of Cap Blanc-Nez in Escalles, Pas-de-Calais, France.This sample measures 3 cm long, 1.9 cm wide and 1.7 cm thick.Its weight is 18 grams.Additional photos and online ordering on the DGminéraux...