- Thumbnail, 2.6 x 2.5 x 1.7 cm
- Merelani Mines, Arusha Region, Tanzania
Found in the gem mines of Merelani and associated with tanzanite is this uncommon iron, zinc sulfide, wurtzite. This crystal exhibits good luster and translucence along with a rich red color. From an early 2013 pocket, few enough were found.