If you draw with a pencil, you can tell how soft the graphite inside is. Pieces of graphite break off to leave the pencil mark. But can you imagine drawing with a diamond? Diamonds and graphite are ...

While landscaping brings greenery to many people’s minds, rocks are an important part of landscaping, too. Perhaps more accurately a hardscaping element, the various types of landscaping rocks add a ...

What is the rock cycle? There are three types of rocks — igneous, sedimentary, and metamorphic — that have formed over time in the Earth's different layers. A rock can begin as one type and can change ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. What are the most common minerals on earth? The answers is not as ...

We often talk about climate change, melting glaciers, or strange landforms. But we rarely think about something that’s always around us– rocks. They don’t make the news, but they’re everywhere. We ...

One of the mining tunnels available to tour at the Sterling Hill Mining Museum. Creative Commons An exhibit inside the Sterling Hill Mining Museum. Creative Commons In a New Jersey mine spanning 2,670 ...