Siglo Veinte Mine (Siglo XX Mine; Llallagua Mine; Catavi), Llallagua, Rafael Bustillo Province, Potosi Department, Bolivia
Small Cabinet, 7.8 x 4.6 x 2.0 cm
Specimen consisting of sharp, lustrous, gemmy, crystals of orange-pink, twinned crystals of Monazite-Ce measuring up to 4 mm on matrix. Monazite is usually found in granitic pegmatites, but these crystals are found in hydrothermal tin veins along the Contacto and San Jose veins in this mine and were first described by Sam Gordon and Mark Bandy. 7.8 x 4.6 x 2.0cm