I think a million or more than that
I think a million or more than that
Gold has been extracted from seawater, but the cost is not worth the effort for the very small amount that can be obtained.
Metal cannot be extracted from Gold, as Gold itself is a metal.
Gold is extracted from the earth itself, near the place underground where coal miners work.
Yes in both accounts:Mexico's diamond production is almost negligible; however Mexican diamond companies extracted 9,200 carats (worth US$20-30 million) of diamonds during 2014.On the other hand, Mexico is the 8th largest miner of gold, having extracted 118 tonnes of gold during 2014, worth US$4.2 billion.
millons
Gold and Copper are chemical elements. No "minerals" can be extracted from them other than 'gold' and 'copper'. They can be extracted from the minerals or 'ores' named in the other answers herein.
Something else.
About 650 gp for each piece
Each coin is worth $1. Also, presidential dollars are struck in brass and contain no gold or even gold plating.
a lot.
the pounded by there and not boiled