Zircon crystals are uncommon and included in this list of oldest things seen before. Being known to be over 4 million years old , these ancient zircon crystals has the difference of the earliest recognized product discovered in this world Earth. As per the experts this crystal is the earliest verified piece from the crust of our world. Discovered in north of Perth in Australia, this material is seen in blue color when bombarded with electrons, though it is looks as clear red. The age old crystal means that crust appeared 160 million years ago the formation of our planetary system. So start searching for things made of crystal you may need. If you are trying to search for the oldest thing on earth, you have actually stay on the ideal blog post. For more info to oddee.