12 Facts You Probably Never Knew About Gold

 According to the American Museum of Natural History, a whopping 78-percent of the gold is used in jewelry. The rest is used in electronics and for medical/dental uses. There are a few even wilder uses. The visor in an astronaut’s helmet is coated with a thin layer of gold ot help block the sun’s ultraviolet light. The world’s largest naturally-occurring crystal of gold was found in Venezuela. It’s only the size of a golf ball. It weighs less than half a pound. It’s still worth $1.5 million.