Fancy colored diamonds get their color from three main causes. Impurities, such as other chemical elements, in the diamond crystal structure, are the cause for fancy yellow and orange diamonds, as well as blue, violet, white and black diamonds. Lattice defects in the diamond structure lead to the fancy pink and red diamonds, as well as the fancy brown diamonds and purple diamonds. Radiation leads to the formation of fancy green diamonds. The rarest fancy-colored diamond is th

Diamonds are minerals composed of carbon that come from deep volcanic eruptions in the Earth's mantle and were formed billions of years ago.

From white sand beaches to black sand beaches, and even multicolored sand beaches - Earth has it all! Where does the sand color come from? What gives sand its color? The white sand beaches are made up of pure quartz, the pink sand beaches get their color from foraminifera, the red sand beaches, green sand beaches, gray sand beaches, and black sand beaches get their colors from the different ingredients in the lava from volcanic eruptions. Purple sand beaches are based on diff

The Naica Cave of Crystals, home to giant selenite crystals, is one of the most fascinating, yet potentially deadly, places on Earth.

Learn about a scientist's path from a science career in academia to creative writing and the lessons learned along the way.

Our natural world heritage is under threat from many factors, including climate change, invasive alien species, building of infrastructure.