Gold Artisans, Filigree Artists Of Colombia

In the first steps the skillful worker receives the stone which has been reduced to dust,..rubs it over a wide tilted plank pouring water over it all the time; then, the earthly matter in it, disolved by the water, runs down the plank while the one that has the gold in it stays on the board due to its weight. Repeating this a number of times, first he rubs it softly and pressing lightly with loose-texture sponges it takes away the porous and earthly matter until all is left is pure gold

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