Ukraine’s minerals have become central to global geopolitics, with the US president, Donald Trump, seeking a deal with ...

Ever wonder how Earth scientists examine rocks? We cut them up and throw them under a microscope ... and then everything ...

The Science Education Center houses thousands of rock and mineral samples in what is known as "The Rock ... Each link will show a particular set of specimens and include its scientific name. Note: ...

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 ...

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 - ...

These minerals are often particularly sensitive when exposed to ultraviolet (UV), blue light or inappropriate relative humidity. 'Many people think that because rocks are usually hard and have lasted ...

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 ...

Primary minerals form at elevated temperatures from cooling magma during the original solidification of rock or during metamorphism, and they are usually derived from igneous and metamorphic rocks ...

"These minerals are what's left behind when rock has been in flowing water for eons. Over time, the warm water leaches away all the elements except those that are really insoluble, leaving behind ...