Lignum nephriticum cup product of narra Wooden (the namesake in the province) produced opalescent colours when h2o is poured into it. These wooden cups have been An important pre-colonial and colonial business of Naga. Naga could be the native pre-colonial name of the town. It is named following the https://juliuscpcny.thekatyblog.com/27343597/facts-about-23naga-revealed