Calacatta gold quartz countertops are beautiful slabs that mimic the look of marble. They are expensive, so weigh these pros ...

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 ...

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, ...

Synthetic quartz crystals look nothing like their natural counterparts; rather than the long hexagonal body and pyramidal caps of natural crystals, they’re more squat, having grown outward from ...

When gold is dissolved in a natural fluid, it is often bonded to other molecules. If something makes these molecules unstable, the gold atoms may pop out of these molecules and form a deposit on a ...

Quartz countertops, also called engineered stone countertops, are man-made products. They are made of 93% to 95% ground-up natural quartz stone and a small number of other minerals and colorants.

Quartz, in its natural state, is found in large crystals or small, sand-like grains. Once mined, the stone is mixed with man-made materials, like resin, which allows for a cleaner cut and more ...

The museum’s new natural quartz weighs a whopping 8,000 pounds. It was found in an Arkansas mine in 2016, making it a quintessential American mineral specimen. James Di Loreto, Smithsonian ...