Nevada
Yes. Mexico is the largest miner of silver, and 8th largest miner of gold in the world.
Greens Creek owned by Hecla
Potosi in upper Peru
The largest (over a ton) was found at the Smuggler Mine, Aspen colorado.
That would be Hecla Greens Creek Mining.
BHP's Cannington mine in Austrlia is largest single silver mine, but also check the San Cristobal mine in Bolivia, and KGHM in Poland. The latter is actually a group of mines, rather than a single orebody.
The world's largest silver nugget in 1894 was found in the state of Colorado. It was known as the "Sherman Silver Nugget" and weighed over 2,000 pounds.
The best place to mine silver ore is Al kharid mine as this requires no quests.
Mexico is the largest producer of silver in the world (5,400 tonnes for 2013).
the silver mine
The world's largest diamond mine is located in Botswana. It is of open pit construction and the area of it makes it the world's largest diamond mine.