Tanzanian Iolite rough in a nice range of lavender-blue to deep violet-blue, averaging over 1 gram per piece. Good-sized material for cutting, with the strong pleochroism that makes Iolite so interesting to facet.
42 pieces / 51.21 total grams / 256.05 total carats / 6.09 average carats
Estimate: $525 - $550
