TM98Z7: Aggregate of very sharp tetrahedral crystals, bright with a dark brown color and with small parallel Quartz aggregates. They are between transparent and translucent, as the picture under intense light shows, and this confers a special quality to the samples from this cavity. The sample has been analyzed showing dominant Helvine forming a solid solution with Genthelvite. We will send a copy of the analysis to the buyer.
Huanggang Mines, Hexigten Banner (Kèshíkèténg Qí), Chifeng (Ulanhad), Inner Mongolia Autonomous Region  China (2013)

Specimen size: 3 × 2.6 × 2.2 cm = 1.18” × 1.02” × 0.87”

Main crystal size: 1.1 × 1 cm = 0.43” × 0.39”