Tourmaline var. Indigolite - Santa Rosa Mine, Itambacuri, Doce Valley, Minas Gerais, Brazil
 
A bright blue Santa Rosa tourmaline with a hue not often found. The termination of the main crystal is undamaged, and overgrown with a thin layer of quartz.
The gem has an unusual color and great luster with very good clarity.
Indigolite is a very rare variety of tourmaline.