Siderite
Bottino Mine, Stazzema, Lucca Province, Tuscany, Italy
One of my best siderite samples. Found in 1976, during one of my early trips to Bottino mines, in Due Canali tunnel (the lowest), into a big cavity filled with siderite, quartz, chlorite, sphalerite chalcopyrite - Ruler in cm
© Dott. Geol. Marco Barsanti - geoman1@tin.it