How To. Identify rocks and minerals. Mission. Successfully identify rocks and minerals. Briefing. A little knowledge of rocks and minerals will help you identify everything from jewelry to fossils.

The third rock was categorized as Epidote, an uncommon mineral that isn't incredibly valuable, as it can fetch around $60 per piece. But its rarity marks it as a precious gemstone.

The mystery U.P. mineral was found in the Adventure Mine’s third subterranean level, which had recently been pumped dry after being waterlogged for almost a century.

Rocks and minerals are closely related, but there are fundamental differences between the two. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Curiosity rover spots PURPLE rocks on Mars: Stunning new image reveals the view from lower Mount Sharp. Image was taken on lower Mount Sharp, where purple-hued rocks can be seen ...

More than 20 vendors showed off minerals and fossils from around the world at Atascadero's Rock and Gem Show this weekend. The 29th annual event also displays locally made jewelry and rocks for sale.