GL27AK0: Group of two sharp crystals of cubic habit with curious forms of dissolution on its base, very bright and with a pale green color whose transparency allows one to see a polycrystalline phantom growth that stands out for the intense violet color on the edges. The sample is from the Casado Margolles collection (number FRM 68) whose record we will send to the buyer.
Yaogangxian Mine, Yizhang, Chenzhou Prefecture, Hunan Province  China (±2005)

Specimen size: 5.7 × 3.3 × 3.2 cm = 2.24” × 1.30” × 1.26”