“His eyes shined with a malicious but fair enchanting light, the jewels on his hair glowed in the darkess pits of Angband, but long gone are those times, and the glow has now vanished…”
Having jewels in his hair is just my headcanon, I like to think these were gave to him by Aule when he once was uncorrupted, but the more time passed they darkened, and after Melkor was defeated they were no more than dull dark stones
