Volborthite
Ex. John Barlow collection
Ex. Don Belsher collection
Origin: Monument Valley, Arizona, U.S.A.
Sample size: 8 x 5.3 x 3. 4 cm (top), 4.6 x 2.7 x 1.7 cm (bottom)
Matrix with the top scattered with brilliant yellow green platy micro crystals
of volborthite. These are over what appears to be a green botryoidal
crystalline
malachite coating.
Origin: Mitten No. 2 Mine, Monument Valley, Navajo Indian Reservation, Navajo
Co., Arizona, U.S.A.
Ex. Charles F. Lewis collection
Sample size: 6 x 5 x 2.3 cm
Origin: Sofronovskii Cu Mine, Yugovskii Zavrod, Perm, Permskaya Oblast',
Urals Region, Russia (type locality)
Ex. Richard Hauck collection
Sample size: 4.3 x 3.2 x 3.1 cm
Bright green volborthite crystals to several mm perched on turquoise-blue
chrysocolla.
Origin: San Jose Mine, Copiapo Province, Atacama Region, Chile
Sample size: 5.0 x 4.0 x 1.8 cm
Back to Page 1
