7.7K views · 109 reactions | Obsidian is a naturally occurring...

Stunning Rainbow Obsidian ✨ Rainbow Obsidian is a natural volcanic glass. This particular piece is from Jalisco, Mexico, and it has been polished to reveal its colorful layers. The colors are caused by microscopic inclusions within the Obsidian that interfere and diffract light. When held under a bright light or direct sunshine, the beautiful colors begin to show. Available here: https://www.rocksforthespirit.com/shop/p/s-208 #obsidian #rainbowobsidian #rocksforthespirit | Rocks for the Spirit

Show us your Rainbow Obsidian 📷 - Rainbow obsidian is a variety of obsidian, a natural volcanic glass formed by the rapid cooling of high-silica lava (typically rhyolitic in composition). Its chemical composition is broadly that of an amorphous silicate, dominated by silicon dioxide (SiO₂) with varying proportions of aluminium, iron, magnesium, and alkali metals such as sodium and potassium. Unlike crystalline minerals, obsidian lacks a defined internal lattice structure; its atoms are arranged