Soledade is a municipality located in the state of Rio Grande do Sul in southern Brazil. It serves as a regional hub with an estimated population of 31,035 as of 2020.
The city is known by the nickname "Cidade das Pedras Preciosas," which translates to the City of Precious Stones or Rare Gems. This designation stems from its proximity to significant mines in Rio Grande do Sul that produce a large portion of the world's amethyst supply. The local economy is supported by numerous factories that process and export these gemstones to international markets.