EXAMPLE OF MOLYBDENITE. EXTRACTED IN THE MINES OF GUALBA, MONTSENY, BARCELONA. THESE ISSUES OF MOLIBDENITA ARE EXCLUSIVE FOR THE LITTLE QUANTITY THAT WAS EXTRACTED FROM THE MINE (TODAY CLOSED) SIZE
Molybdenite is a mineral that has a graphite-like appearance and feel. It also has lubricating properties that are a consequence of its layer structure.
