Shiva Purana
पद्माक्षैर्दशलक्षन्तु सौवर्णैः कोटिरुच्यते ॥ कुशग्रंथ्या च रुद्राक्षैरनंतगुणितं भवेत् ॥ ३६ ॥
Ten lakhs of lotus-eyes are equal to one crore of golden earrings. With a knot of kuśa grass and Rudrakṣas, one should chant infinitely many times.
english translation
padmAkSairdazalakSantu sauvarNaiH koTirucyate ॥ kuzagraMthyA ca rudrAkSairanaMtaguNitaM bhavet ॥ 36 ॥
hk transliteration by Sanscript