Shiva Purana
प्रोक्ष्याभिमंत्रयेत्सप्त स्वपाण्योस्तलमेकधा ॥ त्रिधालिप्याथ सम्पश्येत्सूर्य्यमूर्तिं च पावनीम् ॥ १७ ॥
He shall sprinkle water over it repeating Om seven times. He shall apply the clay on the palms once in the beginning and thrice afterwards. Then he shall glance at the holy disc of the sun.
english translation
prokSyAbhimaMtrayetsapta svapANyostalamekadhA ॥ tridhAlipyAtha sampazyetsUryyamUrtiM ca pAvanIm ॥ 17 ॥
hk transliteration by Sanscript