- Azurite rough, uncut, unpolished rock sold in bulk. 1 pound minimum. The saturated color ranges from bright to deep blue into shades of indigo, and may contain streaks of light blue. It has been ground into pigment for paint and used as a dye for fabric for thousands of years. Please note: Due to the fact these are natural stones, there will be color variances. Size variances will be from pebble to fist size. Note your preference if you prefer particular size(s).