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

Minerals are typically formed when molten rock, or magma, cools, or by separating out of mineral-rich water, such as that in underground caverns. In general, mineral particles are small ...

Many people think that because rocks are usually hard and have ... ‘Mike Rumsey, our senior curator in charge, did an amazing job searching our extensive collection to find the best selection of ...

No bigger than a smartphone, this remarkable rock has layers that tell the story of the working lives and hardships of miners in the 1800s. A flawless blue topaz gemstone - the largest of its kind - ...

With opportunities to dig up and handle amazing rocks and fossils ... Throughout the day, guests can discover exhibits of fossils, minerals, and rocks, along with seeing exciting rock-cutting ...

“It is amazing what you can see from the ... discovered her interest in semiprecious stones and minerals as a child playing with a rock tumbler. Even though she doesn’t collect as much as ...

Some minerals in rocks and organic matter (e.g., wood, bones, and shells) can contain radioactive isotopes. The abundances of parent and daughter isotopes in a sample can be measured and used to ...

A priest with a rock collection and a massive vision turned this corner of Iowa into a legend. The Grotto of the Redemption ...