Valmiki Ramayana Yuddha Kanda Sarga 126 Shloka 38
Original Shlokaदृश्यतेऽऽसौमहान्सीते सविद्युदिवतोयदः ।।6.126.38।। ऋष्यमूकोगिरिवरःकाञ्चनैर्धातुभिर्वृतः ।
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सीते Sita, काञ्चनैः gold, धातुभिः minerals, वृतः covered, सविद्युत् glowing, तोयदः cloud, इव like असौ oh, गिरिवरः jewel among mountains, ऋष्यमूकः Rshyamuka, दृश्यते is seen
"Sita! Rshyamuka is seen covered with streaks of gold minerals, glowing like clouds with lightning."