Siderite

 Tazna Mine, Cerro Tazna, Atocha-Quechisla District, Nor Chichas Province, Potosí Department, Bolivia A pleasing specimen of bold chunky lenticular Siderite crystals to 2.7 cm diameter, densely covering...

 Virtuous Lady Mine, Buckland Monachorum, Devon, England, Europe Probably one of the most recognisable Epimorphs from the Cornubian Orefield, are the Siderite...

 Cabeza Do Cachorro Mine, Floresta Amazonica, Amazonas, Brazil, South America Very fine crystal specimen of Ludlamite from a new batch we received from Cabeça do Cachorro Claim,...

 Panasqueira Mine, Covilha, Castelo Branco District, Portugal, Europe Seven well-terminated crystals of jet-black Ferberite, in tabular blades to 4.8 x 3.3 x 0.4 cm form...