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- Quartz - Wikipedia
The word quartz is derived from the German word Quarz, [10] which had the same form in the first half of the 14th century in Middle High German and in East Central German [11] and which came from the Polish dialect term kwardy, which corresponds to the Czech term tvrdý ("hard") [12]
- Quartz
Quartz is a guide to the new global economy for people who are excited by change We cover business, finance, economics, technology, lifestyle, and leadership
- Quartz | Definition, Types, Uses, Facts | Britannica
Quartz, widely distributed mineral of many varieties that consists primarily of silica, or silicon dioxide Minor impurities such as lithium, sodium, potassium, and titanium may be present Quartz has great economic importance Learn more about quartz in this article
- Premium Quartz Counter Tops in Los Angeles: Prefab Slabs
Discover Quartz Counter Tops in Los Angeles Explore Caesarstone, Cambria, Silestone, Prefabricated slabs for your kitchen bath at great prices 4 Locations
- Quartz Mineral | Photos, Uses, Properties, Pictures
What is Quartz? Quartz is a mineral composed of silicon and oxygen, with a chemical composition of SiO 2 It is the most abundant mineral in Earth's crust and is resistant to both chemical and physical weathering When rocks weather away, the residual material usually contains quartz This is why the sand at most of the world's beaches is quartz
- Quartz: Mineral information, data and localities.
"Quarz" was used in later literature referring to the Saxony mining district, but seldom elsewhere Gradually, there were more references to quartz: E Brown in 1685 and Johan Gottschalk Wallerius in 1747
- Quartz - Essential Minerals Association
The word quartz stems from the German word “quarz,” which is derived from the Slavic word for hardness: “kwardy ” Many ancient and modern cultures believe quartz provides healing powers and can ward off headaches and other ailments
- Quarz - definition of Quarz by The Free Dictionary
n A very hard mineral composed of silica, SiO 2, found worldwide in many different types of rocks, including sandstone and granite Varieties of quartz include agate, chalcedony, chert, flint, opal, and rock crystal [German Quarz, from Middle High German quarc, of Slavic origin ]
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