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Quartz - Wikipedia


Quartz is the second most abundant mineral in Earth's continental crust, after feldspar. ..... He discovered that regardless of a quartz crystal's size or shape, its long ... Warren Marrison...

Who discovered quartz? | Reference.com


Later that century, the present spelling was first used. It was also referred to as crystallum, silicum, silex and silice. Quartz is a natural form of silicon dioxide, and  ...

quartz facts, information, pictures | Encyclopedia.com articles about ...


Get information, facts, and pictures about quartz at Encyclopedia.com. ... Discovered by the French physicist and chemist Pierre Curie (1859–1906), the ... First, because it neither expands nor contracts with changing temperatures, it makes an ...

Mathematicians are geeking out about a bizarre discovery ... - Quartz


Mar 15, 2016 ... Mathematicians are geeking out about a bizarre discovery in prime numbers ... checked the first billion prime numbers, they found that a prime number ending in ... “Every single person we've told this ends up writing their own ...

The scientist who discovered dark matter: how Vera Rubin ... - Quartz


Dec 27, 2016 ... Rubin wasn't the first person to notice anomalies, but she did some of the first large-scale studies that showed the phenomenon wasn't just an ...

Even in the place where Zika virus was first discovered, its ... - Quartz


May 5, 2016 ... Zika Forest, Uganda The forest where Zika virus was first identified in ... That happens when an infected person travels to a Zika-free area and ...

First-Hand:The First Quartz Wrist Watch - Engineering and ...


Mar 28, 2016 ... In July 1967, somewhat more than 40 years ago, the world's first quartz wrist watch had been created by a group of researchers at the Centre ...

quartz, amethyst gemstone #5 - Cochise College P


Amethyst is a purple colored quartz first discovered in 3000 BC. ... under pillows to cure insomnia, allowing the person to sleep and even bringing good dreams.

Famous Fools for Fool's Gold - Scientific American Blog Network


Apr 1, 2015 ... Our first fooled person is Sir Martin Frobisher, an intrepid English privateer ... where he discovered they were merely common quartz and pyrite.



1942: Jose Iniquez, age 17, discovers two crystal skulls in a Mayan ruin during a field trip from his class. His teacher lets him keep the small clear quartz skull.