Magnesium iron aluminum silicate, known for its strong pleochroism (showing different colors, often violet-blue to grey, from different angles). It's a 'Viking's Compass' stone, aiding intuition, inner vision, and shamanic journeying.
Violet-Blue, Blue, Grey-Blue, strongly pleochroic (shows different colors from different angles)
We do not currently have scientific information available for Cordierite Iolite.