David Bressan is a geologist who covers curiosities about Earth. Rocks and minerals contribute essential raw materials for any civilization, and in a technological society minerals (and the rare ...

In general, mineral particles are small, having formed within confined areas such as lava flows or between grains of sediments. Large crystals found in geodes and other rocks are relatively rare.

RICHMOND, Va. (WRIC) — In honor of National “Collect Rocks” Day, here’s a look at the wide variety of minerals — such as ...

There would be no bright and colorful fireworks without rocks and minerals ... is never found as a free element, but it is found in a number of minerals. The most important of these minerals ...

Many people think that because rocks are usually hard and have lasted millions of years that they ... ‘Mike Rumsey, our senior curator in charge, did an amazing job searching our extensive collection ...

Petrology is the study of rocks - igneous, metamorphic, and sedimentary - and the processes that form and transform them. Mineralogy is the study of the chemistry, crystal structure and physical ...

The Museum holds a vast collection of rocks, minerals, meteorites and ores. Explore 500,000 rocks, gems and minerals, including 5,000 meteorites. Find out how you can use the mineralogy collections as ...

More than 2,400 ounces of gold were found in the largest rock, RNC Minerals says Miners in Western Australia say they have discovered two huge gold-encrusted rocks that are each estimated to be ...