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.
1 She also famously placed St Tropez and Tahiti Beach firmly on the naturist map with the 1956 classic movie, And God Created Woman.  Tourist hotspot â France is THE most visited country in the world! In fact 80 million international visitors had a âFrench encounterâ in 2011. Find out why France is so popular.