20063 M446 Marshite, Cuprite, Dolomite, Mutooroo Mine, Pine Creek – Mutooroo area, Mingary, Olary Province, South Australia

Pale greenish marshite(!) crystal with dark cuprite crystals and white dolomite. The marshite fluoresces strongly red with Convoy UV torch. There are three other areas of the specimen that also fluoresce bright red, but individual crystals are hidden. No doubt about the locality, it is typical of Mutooroo. Width 7.5mm. Stack of 140 images (white light). Stack of 4 images (UV light). Ex Bernie Day Collection. Labelled as sphalerite.