Sky Ice from the Dome
https://www.youtube.com/watch?v=Go14v6TsYXU
The Sky Stone a.k.a Shards of The Firmament

Made of 77% oxygen, this stone has baffled scientists and continues to do so, since it's discovery. It's composition changes based on where it's found...

According to a man with military background, who worked with scientists in McMurdo Station in 1998, it's being studied in Antarctica but has a different composition, being called 'Sky Ice'.
It's solid blue and if touched it would instantly freeze your skin. It was also very light in weight compared to normal ice, as well as being semi-flexible. The weirdest part is, it would not turn to water when melted, it would literally turn into air.

He goes into detail about The Firmament, the experiments Scientists are conducting on The Firmament, and much more.

Full story here:
https://www.youtube.com/watch?v=Go14v6TsYXU