• སངས་རྒྱས་སྤྲུལ་པ་སོགས་བཀྲ་ཤིས། (334, 218)
Details of the process for producing black, apart from the fact that the pericarps are soaked in water and require an iron mordant (Schmid 1855, 331), seem to have been lost.
Music, Opinion, Size