Grimselite, Čejkaite :: Locality: Svornost Mine (Einigkeit Mine), Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic :: Yellow lustrous tabular grimselite crystals on a bed of pale green cejkaite needles. Field of view 4 mm. Specimen and photo Leon Hupperichs.