SOLD !
Old piece - hard to come by.
Pigeon blue chalcedony and siderite xx - iron spar
Siderite is a valuable iron ore with an iron content of up to 50%.
Hüttenberg in Carinthia - Austria
Mining for the coveted Noric iron from 300 BC to 1978
Weight: 306 g
Dimensions: 12 x 8 x 6 cm
