Kësterite coated by Mushistonite and on Muscovite

Mount Xuebaoding, Pingwu, Mianyang Prefecture, Sichuan Province  China (04/2022)

Specimen size: 4.6 × 2.4 × 2 cm = 1.81” × 0.94” × 0.79”
Main crystal size: 0.5 × 0.3 cm = 0.20” × 0.12”