This specimen is priced in US dollars, all other prices are approximate.
An excellent specimen of the rare copper arsenate Clinoclase forming a fine intergrowth of crystalline deep dark blue balls measuring to 8mm with minor Azurite, on a matrix of hard Goethite and rock. A rare specimen from the Tintic mining area in Utah, USA. The specimen comes with an old Félix Pisani label pre-1920.