Natural and Man Made Crystals We are often asked which crystals are natural and which are manmade, treated or enhanced.Crystals like citrine, turquoise, agate, amber, hematite and many of the gem type crystals...
A Guide to Fossil Collecting Collecting fossils can be a fun and educational past time for both young and old. Ebay has opened up the whole world to fossil collectors, with the opportunity to find many rare...