Green Aventurine Rings, Signet Style, 925 SilverGreen Aventurine with 925 Sterling Silver Signet style with a strong bezel handcrafted in 925 Sterling Silver, and open backed to allow the energies to flow more freely with yours. The name derives from the Italian 'A Ventura' meaning 'Lucky Chance' and derives from the lucky discovery of Aventurine Glass in the 17th Century. Green Aventurine is actually a Micro crystalline Quartz or Chalcedony containing Chrome Green Fuschite hence it's colour. This