Indigolite on floatting and double finished quartz cristal.
Superb specimen belonging to G. Emringer's collection.

Other little tourmaline cristals are scattered on and in the quartz, which is transparent in certain zones, and "foggy" in other ones.

Minas Gerais - Brasil

Size of the quartz crystal : 12 x 4,5 x 4 cm

Size of the tourmaline: 5,5 x 0,7 x 0,6 cm