Manganite
Rocky Rhodes, Wolfgang Fahl
Manganite Ore was discovered on Waiheke Island in the late 19th century and some mining activity went on for a while. See [1] and the exhibits at Waiheke Island Historic Village
Manganite Ore was discovered on Waiheke Island in the late 19th century and some mining activity went on for a while. See [1] and the exhibits at Waiheke Island Historic Village
