Apatite (calcium triphosphate): This mineral makes up the ... Recrystallization: The original skeletal material has grown into new crystals. The process may be aragonite crystallizing to calcite, as ...

An interesting paper on this subject was recently read before the Geological Society of London by II. C. Sorby, F.K.S., in which his experience in the microscopical examination of crystals was given.

To validate this hypothesis, the team analyzed 223 sapphires from the Eifel region. While some of these tiny crystals were ...

The finding demonstrates that plate tectonic processes were operational at least 3 billion years ago, fueling the ongoing scientific debate."This study clearly demonstrates horizontal plate movements ...

Smithsonian researcher Wriju Chowdhury is part of an expedition searching for 4-billion-year-old crystals that could uncover ...

Researchers at Heidelberg University are studying how sapphires, the beautiful blue gemstones, formed in volcanic regions.

Rare large mirabilite crystals (sodium sulfate) up to 50 cm long observed in the Nébélé Cave provide a fingerprint of the sulfur isotopes left behind by sulfuric acid weathering of the ...

the team was able to date the crystals and tie them to Greenland’s crust. The researchers published their study in Geology, saying that the “foundation” on which Scandinavia rests was likely ...

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gems and crystals. Most vendors are from Colorado, Arizona and Utah. “We have a little bit of everything — from the geology end of it, all the way to the metaphysical end of it,” McElwain said.

The Art of Geology.” The work of nearly two dozen Central Florida creators adorn the walls of the gallery space, which also includes real quartz crystals and pieces made with recycled fused ...