Cassiterite with Muscovite

Mount Xuebaoding, Pingwu, Mianyang Prefecture, Sichuan Province  China

Specimen size: 6 × 4.4 × 3.1 cm = 2.36” × 1.73” × 1.22”
Main crystal size: 4.1 × 2.5 cm = 1.61” × 0.98”