Shiva Purana
एतस्मिन्नेव समये सद्गुरुः करुणानिधिः ॥ नीलजीमूतसङ्काशो विद्युत्पिङ्गजटाधरः ॥ २९ ॥
At this very moment the true teacher, the treasure of compassion, appeared. He looked like a blue cloud and had lightning-pink matted hair.
english translation
etasminneva samaye sadguruH karuNAnidhiH ॥ nIlajImUtasaGkAzo vidyutpiGgajaTAdharaH ॥ 29 ॥
hk transliteration by Sanscript