Icelandic Spar

Icelandic Spar, also known as Optical Calcite, is believed to have been used by Vikings for navigation. 
This crystal has rainbow inclusions.
 
56g 3 x 2.5 x 2.7cm approx.
 
Healing properties:
Icelandic Spar can aid in seeing the double meaning behind words. It also reduces the tension that causes migraines.