Geology ExplainedWhat is the difference between rocks, minerals, and gemstones?Uncover the differences between rocks, minerals, and gemstones, discover how they are all formed, and explore examples from each category.
Natural WondersThe science behind fancy-colored diamonds: why are diamonds colored?Fancy colored diamonds get their color from three main causes: impurities in the diamond crystal structure, lattice defects, and radiation.
Natural WondersWhat are diamonds and how are diamonds formed naturally?Diamonds are minerals composed of carbon that come from deep volcanic eruptions in the Earth's mantle and were formed billions of years ago.
Natural WondersNAICA CAVE OF CRYSTALS Mexico - DEADLY GIANT Selenite Crystals CaveThe Naica Cave of Crystals, home to giant selenite crystals, is one of the most fascinating, yet potentially deadly, places on Earth.