A cool and unusual specimen of tourmaline var. chrome tourmaline crystal from the famous Merelani Hills, Tanzania. It is 20mm long with a sharp and captivating trigonal form. It is opaque, mint-green colored and medium lustrous. For references see the issue of The Mineralogical Record vol. 45, # 4, July-August 2014. In excellent condition. On acrylic base.

Marvelous!