Watch a video of this specimen by following the Vimeo link below: https://vimeo.com/1118323606/c2ddc1eafb Here is a large specimen of calcite from the Leulinghen-Bernes/Marquise materials quarry in the Boulonnais region. A sizeable locality specimen! Ex coll. O. Fumery. O. Fumery gathered up over 30 years an extensive collection of about 600 accurately selected French minerals, including rare localities and outstanding regional specimens.