Volborthite : Cu3(V2O7)(OH)2·2H2O
Malachite : Cu2(CO3)(OH)2
As recorded:
Monument No. 1 Mine, Monument No. 1 channel, Mystery Valley, Mineral Mining District, Navajo County, Arizona, USA
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“Chartreuse green plates of volborthite with darker green malachite spheres on a matrix of claylike sandstone. The plates of volborthite are extremely thin, probably about 1-2μm. I obtained this specimen from Jim McEwen of Lehigh Minerals.”
Alex Earl - 11th April 2016
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“Dark green spheres of Malachite with pistachio green Volborthite on a clay like sandstone matrix. I obtained this specimen from Jim McEwen of Lehigh Minerals.”
Alex Earl - 11th April 2016
Photo added to mindat.org
“Intergrown plates of pistachio green Volborthite on a matrix claylike sandstone. The plates of Volborthite are extremely thin, probably about 1-2μm. I obtained this specimen from Jim McEwen of Lehigh Minerals.”
Alex Earl - 25th June 2016
Photo added to mindat.org
“A sphere of chartreuse green plates of volborthite on a matrix of claylike sandstone. I obtained this specimen from Jim McEwen of Lehigh Minerals.”
Alex Earl - 25th June 2016
Photo added to mindat.org
“Plates of chartreuse green volborthite on a matrix of claylike sandstone. I obtained this specimen from Jim McEwen of Lehigh Minerals.”
Alex Earl - 25th June 2016
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