Melissa Fletcher

How to Identify Gold in Quartz

Is Glass a Rock? The Science of Structure and Origin

How to Tell If Green Obsidian Is Real

How Hard Is Granite on the Mohs Scale?

Is Mercury a Mineral? The Scientific Answer

How to Make Sandstone in Real Life

Where Silver Is Found and How It Forms in Nature

What Is the Chemical Formula for Quartz?

How to Test the Hardness of Rocks

Can You Melt Stone? The Science of Turning Rock to Liquid

How to Identify Geodes Without Breaking Them

Where to Find Fluorescent Sodalite and What Makes It Glow

What Are the Physical and Chemical Properties of Sand?

What Determines the Color of a Rock?

What Is the Focus of an Earthquake?

Does Halite Have Cleavage? Explaining Its Cubic Break

Where Is Slate Found? Key Regions and Geological Origins

Where Can Fluorite Be Found and How Does It Form?

How Is Sapphire Made Naturally and in a Lab?

Is Mount Vesuvius Still an Active Volcano?