What are Fluorescent Minerals? 2021年12月22日What exactly are fluorescent minerals? This is a very common question by anybody who has never seen a rock glow and change color. Many believe the rocks are painted on...
A visit to the "Super Dig" at Sterling Hill Mining Museum 2021年12月22日 “The Wall” at Sterling Hill Ogdensburg, NJ The Super dig at the Sterling Hill Mining Museum was another smashing success. Over 250 glowhounds attended the event despite some off and...
