In fact, it's fossilised tree resin that can range in age from 30 to 90 million years old! This resin is generally found in ancient evergreen trees. Amber crystals are prized for their warmth and beauty, and have been carved into jewellery pieces, and traded amongst cultures for thousands of years.
The oldest piece of amber ever discovered is estimated to be about 320 million years old. Younger amber stones, which yield much lower values, are less than 100,000 years old. Amber can be found all around the world, but the largest deposits used for jewellery making and scientific research can be traced to the Dominican Republic, Europe's Baltic region and Myanmar. Baltic amber, which typically includes flies, ants and lizards, is approximately 40 million years old.