Tuesday, April 25, 2017
More than 2/3 of the silver produced worldwide is a by product of lead, copper and zinc mining.
|Red Dog mine|
In 2008 the mine produced 515,200 metric tons (507,100 LT; 567,900 ST) of zinc, 122,600 metric tons (120,700 LT; 135,100 ST) of lead, and 283 metric tons (9,100,000 ozt) of silver, for a total metal value of over one billion dollars.
Monday, April 24, 2017
Most freshwater cultured pearls sold today come from China.
|Art Nouveau necklace with black pearls|
Sunday, April 23, 2017
Saturday, April 22, 2017
|Tarnished silver in the background for a more dramatic look|