A stunning single, gemmy, sharp, pristine calcite rises majestically from this matrix of deepest purple amethyst. The contrast is striking. To get it I had to buy the 93-pounder amethyst cathedral it was trapped in and have it trimmed out at some large expense... well, I just had to have it! Both are common minerals, but the association and stark display qualities of this hand-sized piece make it stand out from the crowd. I thought it was, frankly, one of the best Brazilian calcites I have yet seen and long kept it.