Gems in Greece: Geology, mineralogy and crystallizing environment

Euclase, monoclinic crystal system—is a seldomly occurring mineral and with a Mohs hardness of 7 a

Stefanos Karampelas, Eloïse Gaillou, Annabelle Herreweghe, Ugo Hennebois, Farida Maouche, Romain Bo

For many, fossiliferous tree resin, primarily amber, gained wide visibility to the public in 1993 wh