Ludlamite with Siderite and Pyrite

Colavi Mine, Machacamarca District, Cornelio Saavedra Province, Potosí Department  Bolivia (±1990)

Specimen size: 5 × 3 × 2.3 cm = 1.97” × 1.18” × 0.91”
Main crystal size: 1.5 × 1.2 cm = 0.59” × 0.47”