Rainbow Obsidian Ring B

Calcifur's Crystals Verified independent store

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Rainnbow 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 la va 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, are present in the obsidian The way these inclusions are distributed in the obsidian creates the rainbow-like sheen These stones are 15mm and are set into an adjustable sterling silver ring that will best fit sizes 6 - 8 Show more