From Mindat.Org Photo Of The Day; March 16, 2015: Bournonite : PbCuSbS3; Siderite : FeCO3 Locality: Apollo Mine, Raubach, Neuwied, Wied Iron Spar District, Westerwald, Rhineland-Palatinate, Germany Field of view 4.3 mm Collection and Photo: Edgar Müller