Sperkise, Cap Blanc-Nez, France, 138 grams
Marcasite with two-stage crystallization and sperkise twins all around.It comes from the cliffs of Cap Blanc-Nez in Escalles, Pas-de-Calais, France.,This sample measures 4.2 cm long, 3.5 cm wide and 3.7 cm thick.Its weight is 138 grams.Piece treated for better conservation.Additional photos and...