Ferruginous quartz sphere. 71.6mm, 2.82 inches, 1.2 pounds

As an expert in the mineral industry, I can confidently say that the ferruginous quartz sphere is truly stunning. Measuring at 71.6mm and weighing 1.2 pounds, this sphere is a perfect addition to any collection. The stunning features of this sphere make it a must-have for any mineral enthusiast.