Shiva Purana

siva.sh/siva-purana/kotirudra-samhita/5/4

सा च रुद्रस्वरूपा हि दर्शनात्पापहारिका ।। तस्यां स्थिताश्च ये केचित्पाषाणाः शिवरूपिणः ।। ४ ।।

sanskrit

The river itself is in the form of Rudra that quells sins by mere sight. Any stone or pebble within it is in the form of Śiva.

english translation

sA ca rudrasvarUpA hi darzanAtpApahArikA || tasyAM sthitAzca ye kecitpASANAH zivarUpiNaH || 4 ||

hk transliteration by Sanscript