The 13 Different Types of Obsidian And What They All Look Like

A raw Californian rainbow obsidian showing beautiful colors

Rainbow obsidian photo provided by Embodied Gems - Online Crystal Shop

Imagine a volcano erupting with hot lava, and then that lava cools down so fast that it turns into this shiny, smooth rock. That’s how obsidian is born! If you’re wondering what obsidian looks like, it’s usually deep and dark, like a piece of the night sky. But that’s not all! There are different types … Read more

Black Tourmaline vs Obsidian – The Similarities and Differences (With Photos)

A shiny raw obsidian

Obsidian photo provided by Daniel A. Pierce

Black tourmaline and obsidian may seem like simple stones at first glance, but don’t be fooled! They each have their own secret stories, like two different books with dark covers. In this article, we’ll share with you the similarities and differences between black tourmaline and obsidian. We’ll dig into the nitty-gritty of what makes these … Read more

Obsidian vs Tourmaline – The Similarities and Differences (With Photos)

A colorful liddicoatite tourmaline with pink, red, orange, yellow, green, and black hues

Liddicoatite tourmaline photo provided by Mineral Masterpiece

Obsidian and tourmaline might sit side by side in a collector’s cabinet, but they’re totally unique from each other. One looks like a piece of the night sky, while the other is like a rainbow trapped in a crystal. If you’re curious to know the differences between obsidian and tourmaline, you’re in for a treat! … Read more

Black Obsidian vs. Black Tourmaline – The Similarities and Differences (With Photos)

A gorgeous black tourmaline tower

Tourmaline photo provided by EarthsMineralsInc

Even though obsidian and tourmaline are on opposite ends of the geological spectrum, they each have their unique qualities and interesting appeal. These two minerals show how many different things can be found in the Earth’s crust. Obsidian comes from volcanoes. It has a smooth, glass-like look, and its colors are mostly dark and moody. … Read more

The 27 Best Spots For Gem Hunting In Pennsylvania In 2025

amazonite from Pennsylvania

Finding gemstones in Pennsylvania is actually a lot easier than in a lot of places. If you’re looking for a unique and exciting adventure in Pennsylvania gem mining is the perfect activity for you! Going home with a diverse collection of beautiful, high-quality specimens is entirely possible, whether you’re new to rockhounding or a seasoned … Read more