5384 Calcite, Chenzhou, Hunan Province, China

Yellow calcite with bluish-white fluorescence (Convoy) and a green afterglow that takes a few seconds to fade. Colours are not exact in photo (iPhone). Also, compared to the many many calcite specimens from Chenzhou in Mindat, this is atypical. There is a large variety of forms, but not like this one. Specimen measures 80x70x45mm.