Watch a video of this specimen by following the Vimeo link below: https://vimeo.com/1128642209/a470c281d8 This is an absolutely extraordinary specimen of malachite, perfectly pristine, selected from a recent pocket in Mindingi mine, Congo! It displays silky lustre coalescent ball-shaped concretions of malachite, with typical deep green colour. Note the small open stalactites that overgrow some of the balls! Stunning.