Śrāddha-kalpa: Amarakantaka–Tīrtha-Māhātmya and Akṣaya Pitṛ-Tarpaṇa
अक्षयं तु सदा श्राद्धं शालग्रामे समन्ततः / दुष्कृतं दृश्यते तत्र प्रत्यक्षमकृतात्मनाम्
akṣayaṃ tu sadā śrāddhaṃ śālagrāme samantataḥ / duṣkṛtaṃ dṛśyate tatra pratyakṣamakṛtātmanām
In Śālagrāma, śrāddha offered on every side is ever imperishable; there the misdeeds of those who lack self-discipline are seen plainly, before one’s eyes.