Vauxite Siglo Veinte Mine, Llallagua, Bustillo Prov., ...
Description:
Vauxite Siglo Veinte Mine, Llallagua, Bustillo Prov., Potosi Dept., Bolivia 4.0 x 5.5 cm. A crystallized crust of vauxite from the type locality for the species.
All pictures, text, design © Forum FMF 2006-2024