Origin of quartz
Examples from the Web for quartz
They measured the amount of different isotopes of xenon trapped in quartz crystals.
In 2008, NASA discovered crystals with a similar make-up to quartz surrounding young stars.Space Bling: From Diamond Planets to Crystal Oceans to Precious Moon Jewels|Alexa Valiente, Jaewon Kang|October 13, 2012|DAILY BEAST
Composite fillings are typically made of glass or quartz mixed with resins and adhesives.
Quartz orange juice and rice with chicken and French fries for lunch and same for dinner.
They enter him like pieces of quartz, and the pain they occasion is always felt.
I had brought Campbell out to show him the pieces of quartz, and he witnessed the last incident with me.Antarctic Penguins|George Murray Levick
The river winds its way through vast diluvial beds, exhibiting at its rapids granitical, quartz, and trappose boulders.
The name "quartz mining" seemed misleading, for the wash from the crushed rock was distinctly blue.Forty-one Thieves|Angelo Hall
This Odyle, then, is particularly potent in the quartz or beryl, when brought into activity by the intention of the seer.How to Read the Crystal|Sepharial
Word Origin for quartz
"silicon dioxide," 1756, from German Quarz, Zwarc "rock crystal," from Middle High German twarc, probably from a West Slavic source, cf. Czech tvrdy, Polish twardy "quartz," noun uses of an adjective meaning "hard," from Old Church Slavonic tvrudu "hard," from Proto-Slavic *tvrd-, from PIE *(s)twer- "to grasp, hold; hard."