Seeing the intensely manual process of harvesting natural quartz as a threat to the future of the telephone network, engineers and scientists at Bell Labs, the R&D arm of AT&T, started research in ...

“In essence, the quartz acts like a natural battery, with gold as the electrode, slowly accumulating more gold with each seismic event,” Voisey said. Tagged In Earth Electricity ...

Gold is only dissolved in natural fluids at around one part per million (representational). Humanity's fascination with gold stretches back thousands of years. Gold mining is described in ancient ...

Thus they had an answer to the question about the origins of orogenic quartz-vein gold nuggets: a seismic wave released during an earthquake and/or its aftershock squeezes natural quartz crystals ...

Quartzite often comes with a higher price tag. It’s a rarer material and typically imported (much of it comes from Brazil), ...

Gold naturally forms in quartz — the second-most abundant mineral in Earth's crust after feldspar. But unlike other types of gold deposits, those found in quartz often cluster into giant nuggets ...

In the growing fine minerals market, such crystalline gold specimens often sell for far more than the value of the gold by ...

Electrum veins in a quartz rock / Image: James St. John on Wikimedia Commons Electrum, we said, is composed of gold and silver; it has a proportion of four parts of the first and one of the second, ...

They are made of 93% to 95% ground-up natural quartz stone and a small number of other minerals and colorants. The rest is a durable resin that holds it all together.

Scientists have discovered exactly how earthquakes trigger quartz into forming large gold nuggets — finally solving a mystery that's puzzled researchers for decades. "Gold forms in quartz all ...