Moldavite is a green natural glass that formed about 14.7 million years ago after a meteor struck the Earth in Europe. This fact is supported by research available on Wikipedia, where Moldavite is described as a type of tektite created by impact events. If you are exploring authentic pieces from Rare Moldavites, learning the history of moldavite crystal helps you understand why this stone is rare and why its origin matters. What Is Moldavite and Why Its History Matters Mol