maruf (maruf1010)

Race #692

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Official speed 39.54 wpm (117.75 seconds elapsed during race)
Race Start February 9, 2017 3:24:12pm UTC
Race Finish February 9, 2017 3:26:10pm UTC
Outcome No win (4 of 4)
Accuracy 90.0%
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.