สปริงหัก (bucklingspring)

Race #1306

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Official speed 76.69 wpm (60.71 seconds elapsed during race)
Race Start November 18, 2017 1:15:44pm UTC
Race Finish November 18, 2017 1:16:44pm UTC
Outcome Win (1 of 3)
Accuracy 98.0%
Points 79.25
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.