Do you know a child who finds endless wonder in nature and expresses that wonder by collecting EVERYTHING, from shells to sticks to rocks? Exploring and collecting are signs of intellectual curiosity.

More than 4,000 naturally occurring minerals—inorganic solids that have a characteristic chemical composition and specific crystal structure—have been found on Earth. They are formed of simple ...

THE geological survey of Canada, under the direction of Mr. Selwyn, F.R.S., has placed in the Philadelphia Exhibition a collection of minerals and rock specimens of much interest, as they very fairly ...

Nick DiFrancesco can speak to the media about the geology of Earth, Mars and the Moon, as well as natural science education and outreach. His research involves the characterization of rocks and ...