Rainbow Obsidian Ring A Carved The stones are approximately 10mm

The stones are approximately 10mm and are set onto a stretchy elastic cord

depositing layers of amethyst crystals over time

7mm orbicular sea jasper cab set into an adjustable sterling silver ring with a wire wrap-style design

The stone is set into an adjustable sterling silver ring with gold plating and zircon accents

Height with stand: 7

Rainbow Obsidian Ring A Carved The stones are approximately 10mmRainnbow obsidian is a type of obsidian that has a rainbow like appearance due to light reflecting off of mineral inclusions. It's a naturally occurring glass that's formed when lava cools quickly. How it's formed Lava from a volcanic eruption cools rapidly when it reaches the Earth's surface The rapid cooling prevents large mineral crystals from growing, resulting in a glassy structure Microscopic mineral inclusions, often magnetite nanoparticles,