What fire was used to create the Jinns?

وَٱلْجَآنَّ خَلَقْنَـٰهُ مِن قَبْلُ مِن نَّارِ ٱلسَّمُومِ
As for the jinn, We created them earlier from smokeless fire.
-Surah Al-Hijr, verse 27
How many times jinn is mentioned in Quran
What is smokeless fire