Cassiterite with Quartz and Muscovite

Penouta Mines, Penouta (San Bartolomé), Viana do Bolo, Comarca Viana, Ourense / Orense, Galicia  Spain (±1998)

Specimen size: 4.5 × 4.2 × 2.1 cm = 1.77” × 1.65” × 0.83”
Main crystal size: 2.7 × 1.3 cm = 1.06” × 0.51”