When it comes to the fall of the Roman Empire, this climate shift may have been the straw that broke the camel’s back.” ...

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.

All rocks are made of one or more minerals. Minerals are solid, naturally occurring substances with well-defined crystal ...

RENO, Nev. (KOLO) - The Reno-Sparks Convention Center (4590 S Virginia Street) is home this weekend to The Crystal Festival. It takes place Saturday-Sunday, March 29-30 from 10 a.m.-8 p.m.

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 ...

In a new paper, Jordan Jensen and Alexis Ault introduce a new forensic tool designed to enhance our understanding of how ...

To many people, a rock is just a rock. If anyone has been house shopping, you know how realtors will mention that the countertops are "granite" and you might wonder why, from house to house, they all ...

Many people think that because rocks are usually hard and have lasted millions ... The more chemically complex minerals do not often form into crystals that are particularly big, so large specimens ...

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 ...