See also: Ruby (homonymy)

Name coming from French chemist J.L. Proust (1755-1826). To preserve safe from the air and the light in order to prevent that it blackens.

Layers

  • Germany (Annaberg, Aue, Marienberg)
  • France (Chalanches)
  • Chile (Chanarcillo)
  • Mexico (Chihuahua)
  • the United States

Use

Mineral used as money ore (Called red money)

Random links:Bialoleka | Northern Catalonia | Otricoli | Salinas de Oro | Tethya actinia

© 2007-2008 speedlook.com; article text available under the terms of GFDL, from fr.wikipedia.org