First they remove the layers of mother-of-pearl, which are known in the industry by the names legitimate silver, bastard white, or bastard black, and these are shipped out in cases weighing 125 to 150 kilograms.
Primero, se separan las placas de nácar conocidas en el comercio con los nombres de franca plateada, bastarda blanca y bastarda negra, que se entregan en cajas de ciento veinticinco a ciento cincuenta kilos.