Detailed information
Species
Pyrite, Siderite
Dimensions
98 x 72 x 48
mm
Locality
Tazna Mine Cerro Tazna, Nor Chichas Province Potosí Department, Bolivia
Condition
No recorded repairs
A pleasing specimen of bold chunky lenticular Siderite crystals to 2.7 cm diameter, densely covering a brecciated matrix of mixed rock fragments cemented by sulphide minerals. From the Tazna mine, at Cerro Tazna in Bolivia, the Siderite is smoky-grey with attractive rusty-orange edges and surrounded with complex golden Pyrite and Quartz crystals, each to around 5 mm.