The Difference Between Minerals and Rocks
Understanding the difference between minerals and rocks is one of the most important basics of geology. Although the terms are often used interchangeably in casual conversation, they are not the same. In fact, minerals are the building blocks of rocks.…
Fluorescent Minerals Explained
Few sights in geology are as dramatic as a dull gray rock suddenly glowing neon green, fiery orange, or electric blue under ultraviolet light. This phenomenon is known as fluorescence, and it occurs in a remarkable group of minerals that absorb invisible…