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 ...

Apart blue, green, red and yellow, any other fireworks color can be obtained by a mineral mix. For example, purple can be ...

NASA's Mars rover Perseverance has a rock collection that would make any geologist jealous, and the space agency is giving a sneak peek at the rocks before the samples head to Earth. Perseverance ...

When that mineral forms and the rock cools enough that argon can no longer escape, the "radiometric clock" starts. Over time, the radioactive isotope of potassium decays slowly into stable argon ...

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 ...