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 ...

While crystals and gemstones are often admired for their beauty and healing properties, there’s a darker side to some of these treasures from the Earth. Not all crystals are harmless—some can ...

Silent auctions added an extra layer of excitement, as attendees placed their bids on rare and unique pieces, hoping to take ...