Topaz CtCity of Armadale » Mount RichonDo you (or did you) live on Topaz Ct in Mount Richon, WA? How has Topaz Ct changed over the years? What was Topaz Ct like in the early days? Who were the original residents of Topaz Ct? Ask a question or tell your story below... April 17, 2017 by PerthMETRO.net zoom out · satellite view · hybrid (zoom out) Rate this street If you would like to be a custodian/moderator of Topaz Ct, please contact us.