Melissa Fletcher

Is There Gold in Lake Tahoe? A Look at the Geology

How to Tell If Pyrite Is Real: Tests and Identification

How Is Rainbow Obsidian Formed?

How Was Elephant Rock Formed? The Geology Explained

Does Halite React to Acid? The Chemistry Explained

What Are Phantom Crystals and How Do They Form?

How to Identify Black Tourmaline: Tests & Characteristics

What Is Muscovite? Its Properties, Formation, and Uses

What Is the Streak of Pyrite?

What Type of Rock Is Kimberlite?

What Is Bauxite and How Is It Used for Aluminum?

What Are the 7 Supercontinents in Order?

How to Find Diamonds in Rocks: A Step-by-Step Guide

How Are Amethyst Geodes Formed?

What Is Jadeite Made Of? Its Chemical Composition Explained

Where to Find Graphite: From Mines to Manufacturing

What Is a Fire Agate and How Does It Form?

How to Tell If Malachite Is Real: 3 Simple Tests

What Is Sodalite Made Of? Its Chemical Composition

Are Opals Crystals? The Science Behind Their Structure