Jamesonite, Calcite
Cava del Ferro, Fornovolasco, Vergemoli, Lucca Province, Tuscany, Italy
5 mm grey metallic jamesonite crystals on and with calcite - Now in Matteo Chinellato collection (if you want to see better quality photos of this specimen, go to see his personal page, you will not deluded)
© Dott. Geol. Marco Barsanti