Kesterite, Calcite from Pingwu beryl mine, Huya township, Mount Little Xuebaoding, Pingwu Co., Mianyang, Sichuan, China. Kesterite be covered by Mushistonite, sometimes be called as Pandanite, and growing on calcite, special mineral specie and associations. size:8.5×6×3.7cm, kesterite wide around 1.5cm, NO.20230128KC60.