M & W Minerals
Walter R. Kellogg
517 294 6709
mwminerals@comcast.net
Richardson, Leeds, Washington Co., Utah, USA
Cu3(V2O7)(OH)2·2H2O
The Volborthite is all of the green to yellow material on this specimen.
7.7 x 4 x 1.7 cm
$25 / Reserved