30090 Cassiterite, Viloco Mine (Araca Mine), Loayza Province, La Paz, Bolivia
Heavy specimen. Most of the matrix is cassiterite too. Video best viewed full screen.
Bolivia
30069 Paravauxite, Siglo Veinte Mine, Llallagua, Rafael Bustillo, Potosí, Bolivia
Ex Barry Johnson Collection. Type Locality.
20017 Gold, Stannite, Quartz, Oruro City, Cercado Province, Oruro Department, Bolivia
Many patches of gold in crystaline quartz with a few stannite crystals.
1229 Vauxite, Paravauxite, Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Rafael Bustillo Province (Bustillos Province), Potosi Department, Bolivia
Type Locality for both species. Light blue vauxite and aqua green paravauxite. Ex Trevor Boyd Collection.