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Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2. Quartz is the second most abundant mineral in Earth's continental crust, behind feldspar. Quartz crystals are chiral, and exist in two forms, the normal α-quartz and the high-temperature β-quartz. The transformation from α-quartz to β-quartz takes place abruptly at 573 °
Authors from QZ
 
Alison Griswold

2 articles

Corinne Purtill

1 articles

Gwynn Guilford

1 articles

Rosie Spinks

1 articles

Justin Rohrlich

1 articles

Echo Huang

1 articles

Chase Purdy

1 articles

Nicolas Rivero

1 articles

Heather Timmons

1 articles

Siyi Chen

1 articles

Tim Fernholz

1 articles

Thu-Huong Ha

1 articles


 
 
Recent Articles from QZ

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Read in full: Alexandria Ocasio-Cortez’s Green New Deal is here

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Will Stacey Abrams avoid the State of the Union response jinx?

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Antarcticas ice sheets may melt faster than we thought, accelerating sea level rise

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Trumps food stamp cut will hit his single, white, male base the hardest

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People fall off cruise ships with alarming regularity. What can be done to stop it?

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The Auschwitz Museum hits back at Lindsey Grahams Holocaust mansplaining

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