Meteors, Meteorites and AsteroidsMeteor, Meteorite, Asteroid: What's the Difference? WHAT IS A METEOR? Meteors are not meteorites. Like meteorites, meteors are objects...
I Want To Know......What is the difference between a rock and a mineral? A mineral is defined as a naturally occurring inorganic solid having a specific and...
Mineral Crystal systemsBelow you will find the names of the crystal systems and an explanation of lattices. Crystal Systems - Isometric, Hexagonal, Tetragonal,...
Museums and CollectionsAt the Smithsonian National Museum of Natural History - current exhibits: The Last American Dinosaurs: Discovering a Lost World Location:...