Cassiterite with Muscovite

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

Specimen size: 5 × 3.3 × 2.9 cm = 1.97” × 1.30” × 1.14”
Main crystal size: 2.2 × 1.4 cm = 0.87” × 0.55”