- The underground opal mine has been operating at 5 Rundle Mall since March 5, 1983.
- Unique Opals was welcomed and opened by The Hon R.G.Payne M.P. Minister of Mines and Energy.
- Unique Opals is one of Adelaide’s leading tourist attractions.
- In 1983 the basement at 5 Rundle Mall was dug out by hand, using pick shovels and buckets.
- In 2013 the directors, Tim Sheridan and Steven Miles added over $100,000 worth of rough opal into the walls. Along with the rough opal they also added an opalised dinosaur fossil (only one of eight ever found).
