Lignum nephriticum cup product of narra wood (the namesake with the province) created opalescent shades when water is poured into it. These wood cups were being A serious pre-colonial and colonial industry of Naga. Naga would be the indigenous pre-colonial name of the city. It can be named after https://josuetgtdp.therainblog.com/27390305/what-does-23naga-mean