Surprising Uses for Gemstones

From diamond rings to sapphire earrings to garnet necklaces, people have gotten into the habit of wearing and cherishing gemstones.  Maybe it’s their rich colors, their sharp facets, or the way the light glimmers when it hits them; natural crystals are definitely some of Earth’s most extraordinary materials. Somehow, along with all its craggy rocks and chalky surfaces, nature finds ways to arrange atoms into (nearly) perfect patterns, and the result is the smooth, clear crystals we love to wear.  But gems aren’t special just because of their aesthetic appeal. Because of their purity and the way they shine, scientists covet them for use in the laboratory too! Continue reading “Surprising Uses for Gemstones”

The Mystery of the DeYoung Diamond

A mystery red gemstone is in front of you on a table.  Is it a ruby?  Is it a garnet?  Is it a red diamond? 

The DeYoung Red Diamond, held in the Smithsonian’s National Gem Collection in Washington D.C., presents a perplexing case.  Observers originally thought the deep red 5.03-carat gem was a garnet. The large stone was set in a pin and purchased by a Boston jeweler at a flea market.  The jeweler, S. Sydney DeYoung, noticed that stone held up better over time than a garnet should. After some testing, he realized that his stone was actually a rare red diamond. He extracted it from the pin and willed it to the Smithsonian, where it is now on display. Continue reading “The Mystery of the DeYoung Diamond”