China
0330 Helvite, Dolomite, Calcite, Chamosite, Huanggang (Huanggangliang) Fe-Sn deposit, Hexigten Banner (Keshiketeng Co.), Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomous Region, China
White dolomite crystals on superb brown helvite crystals.
30044 Boulangerite, Yaogangxian Mine, China
Boulangerite crystals in fluorite from the Yaogangxian Mine, Yaogangxian W-Sn ore field, Yizhang Co., Chenzhou Prefecture, Hunan Province, China. Photo width 11mm.