Speed (transportation)

Race #3545

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Official speed 55.76 wpm (83.50 seconds elapsed during race)
Race Start January 21, 2017 11:02:50pm UTC
Race Finish January 21, 2017 11:04:13pm UTC
Outcome No win (4 of 4)
Accuracy 93.0%
Points 0.00
Text #3622190 (Length: 388 characters)

Quartz is the commonest of the crystalline forms of silicon dioxide. It crystallizes in the hexagonal system, most usually in the form of a six-sided prism surmounted by a six-sided pyramid. It is also frequently found as irregular masses, or as aggregates of small crystals and crystalline grains. It possesses no regular cleavage, but breaks with an irregular and often curved fracture.