For silver the more important deposits commercially are such compounds as the minerals tetrahedrite and argentite (silver sulfide, Ag 2 S), which is usually associated with other sulfides such as those of lead and copper, as well as several other sulfides, some of which contain antimony as well.
France is the most visited European nation with 83.7 million international tourist arrivals in 2014. Established in the late 1700s, the Louvre Art Museum in Paris is one of the most frequented tourist sites in all of France. Europe is a fascinating continent, and it attracts millions of tourists annually.
France crowned most popular country in the world with record-breaking number of tourists (and UK lags in eighth place, beaten by Spain, Italy and even Germany) 1  France the most visited country in the world with 84.7m tourists in 2013.  The UK attracted a record 32.8m visitors last year spending Â£21 billion.