Brihat Samhita
चाषशिखिरजततैलक्षीरजलाभः स्वकालसम्भूतः । अविकलवृत्तः स्निग्धः परिवेषः शिवसुभिक्षकरः ॥ ३४-०४ ॥
If the halo should appear of the colour of a peacock or fire or silver, or oil or milk, or water, and of the shape of a complete circle and glossy, there will be happiness in the land.
english translation
cASazikhirajatatailakSIrajalAbhaH svakAlasambhUtaH । avikalavRttaH snigdhaH pariveSaH zivasubhikSakaraH ॥ 34-04 ॥
hk transliteration by Sanscript