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 ...

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 ...

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 ...

The Atlas of Minerals and Igneous and Metamorphic Rocks in Thin-section provides the geology student and geoscientist with a stunning new color atlas of the main rock-forming minerals and igneous and ...