Manusmriti
मणिमुक्ताप्रवालानां ताम्रस्य रजतस्य च । अयः।कांस्यौपलानां च द्वादशाहं कणान्नता ॥ १६७ ॥
To subsist during twelve days on (uncooked) grains (is the penance for stealing) gems, pearls, coral, copper, silver, iron, brass, or stone.
english translation
maNimuktApravAlAnAM tAmrasya rajatasya ca । ayaH।kAMsyaupalAnAM ca dvAdazAhaM kaNAnnatA ॥ 167 ॥
hk transliteration by Sanscript