"crystal" is correct and usable in written English.
You can use it to refer to a clear and transparent mineral that is often used to make decorative objects. For example, "The vase was made of crystal and caught the light beautifully."
If the late withdrawals of vice-captain Tom Rockliff (virus) and clever forward Dayne Zorko (personal reasons) were not enough bad omens for Brisbane, it became crystal clear it wasn't going to be their night when the ball struck Darcy Gardiner flush in the temple in the second minute following an errant kick from team-mate Pearce Hanley.
Fine Gael and Labour's strategy is crystal clear: they are riding high in the polls and would sweep to power if there was election next week.
What is absolutely crystal clear is that, in the wildly unlikely event that any charges are brought against him, we would absolutely have to get him off them.
Instead, I shall plop a stylish turban upon my head – star and Saturn patterns are just so now – and carefully remove my crystal ball from my Mulberry Alexa bag – it's not an It bag; it's an heirloom – as I gaze into the future, looking at how certain stories that began in 2011 pan out in 2012.
He made it crystal clear in that same press conference that it didn't matter which player committed an offence – the result would always be the same.
The night before the election, the prime minister was interviewed by Anton Enus on SBS news and he was asked "are the ABC and SBS in the firing line?" His answer was clear as crystal, and I suspect it will haunt him for the rest of his tenure.
The next morning, I was suitably prepared for a bike ride to salt-flat oases where I watched flamingoes, white except for the radiant pink on the underside of their wings, feeding on the tiny creatures that dwell in the crystal-cool oases.
Bypass the crowded bar area and make your way to a table in one of the high-ceilinged, crystal-chandeliered siderooms.
The previous day we had been pelted by sleet and hail before knee-deep snow on the final pass forced race organisers to cut the stage short, but now the air was still and the sun hung high in a crystal-clear sky, while me and my shadow got stuck in to a steep off-trail climb to a path some 500 metres above.
While at UEA, his pioneering research shaped the emergent field of surface chemistry – identifying chemical catalytic reactions on crystallographically defined single-crystal metal surfaces, with vital applications in semiconducting, medicine and nanotechnology.
Once in the mountains, we were immediately careering along slivers of swerving tarmac under a crystal-blue sky.
