She picked up an unusual stone from a stream and used it as a doorstop. It stayed there for decades, and when thieves broke in and took her jewelry, they walked right past it. After she passed, a relative discovered the stone and showed it to experts. They confirmed it was amber, formed from tree sap millions of years ago. It weighed over 7 pounds, making it one of the found, and when the government purchased it, they made it a national treasure worth over $1 million.