Polished Rainbow Obsidian Slab ammonite These pieces are polished into

These pieces are polished into a medium palm stone

Measuring approximately 1 inch in length

an aesthetic display piece

These creatures were alive during the Neogene Period

Polished Rainbow Obsidian Slab ammonite These pieces are polished intoPolished rainbow obsidian slab from Mexico. The name "rainbow" obsidian comes from the phenomenon known as structural coloration. An iridescent, rainbow like sheen appearing when light reflects off of the mineral inclusions and air bubbles within the black volcanic glass. This particular product flashes purple when held under flashlight, and natural lighting. Customer will receive the exact, singular item pictured, as it is a one of one. Measuring 5.