Dims: 0.65x0.27x0.22" (1.66x0.68x0.55cm)
Wt: 3.20ct (0.64g)
Espirito Santo, Brazil
This is a fragment of an iolite crystal. It shows only fracture surfaces, with no crystal faces. While this crystal is rather pale, it does show excellent pleochroism, appearing yellowish, violet, and blue from different angles.