Matsya Purana 227.49

227.49

kārpāsakīṭavarṇānāṃ dviśaphaika śaphasya ca.
pakṣigandhauṣadhānāñca rajvāścaiva tryahaṃ payaḥ .. 227.48 ..

One who steals pearls, gems, Prabâla, copper, silver, iron, Kâṃsya and stones becomes purified if one eats for twelve days the refuse of rice. A thief of cotton, silk, animals of bisected hoofs, horses, birds, scents, medicines, rope, becomes purified by living on milk for three days.—48