Giant amethyst geodes formed within a steady groundwater flow and at unexpectedly low crystallization temperatures, new study ...

Speaking of dividing lines—that’s where these rocks got their name. That little flap of skin that divides nostrils is called ...

Pure limestones are white or almost white, but impurities, such as clay, sand, organic remains, iron oxide, and other materials, cause them to exhibit different colors, especially ... the same ...

New research from the University of Göttingen reveals that amethyst geodes in Uruguay formed at low temperatures from ...

Color psychology plays a significant role in understanding ... Using green crystals such as green aventurine, green calcite, and green jade can help us achieve a balanced green chakra. These gemstones ...

If Halloween is your favorite holiday, then, no doubt, your costume is prepped, jack-o'-lantern carved and the candy is in the bowl awaiting hungry trick-or-treaters. As you put the finishing ...

Premium granite countertops usually feature rare colors and patternation – not dissimilar to semi ... For example, granite is not a calcite-based stone and is not generally acid-sensitive – something ...

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Along with their alluring beauty, minerals — like scientific ideas — open a window onto the history of the world, Dr. Massagué says.

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