Lignum nephriticum cup manufactured from narra wood (the namesake on the province) produced opalescent colours when h2o is poured into it. These wood cups were being An important pre-colonial and colonial marketplace of Naga. Naga will be the indigenous pre-colonial name of the town. It is actually named following https://finnaobmy.ltfblog.com/27632300/a-secret-weapon-for-23naga