Geodes are perfect examples of why you can't always judge a book (or, in this case, a rock) by its cover. At first glance, geodes look just like any other rock. But when you crack them open, you're...
Category: Nature
Tiny fossils of ancient sea critters like trilobites typically only cost a few bucks. But if you're considering decorating your living room with a T-Rex skeleton, you might want to think again. After...
Meteorites are rocks that fall from space, through the planet's atmosphere, and land on the ground. The chance of space rocks surviving the harsh temperature changes and pressure as it passes through...
On Wednesday, April 27th, 2022, the world's largest blue diamond nearly broke a world record when it sold at auction for $57.5 million. The stone, called "The De Beers Cullinan Blue," is a 15.1-carat...
Opals are one of the most expensive birthstones, and they're also one of the most colorful. After all, while some jewels might be two-toned or feature a gradient of hues, opals often reflect a...
Did you know the value of gold at this point is about $65 per gram? The value of gold fluctuations depending on political and economic certainty. The rarer the element, the more expensive it is....