The best known locations of boulder opal are in Queensland Australia. All Boulder opals on this page come from here
Boulders with opal filling
Boulder opal is found underground in large boulders. The name Boulder comes from the English word for boulder. It concerns sand or ferruginous boulders where the holes and cracks are filled with noble opal. Boulder opal is the most popular, and most expensive, opal species after black opal.
Opal is very popular for use in jewelry. Edelopaal can take all colors of the rainbow. These boulder opals have not been processed and show beautifully how the opal occurs in the boulders. The various colors also stand out beautifully in rough form, especially against the dark background of the mother rock.
Properties of boulder opal
In addition to the normal workings of opal (love stone, optimistic and cheerful), boulder opal has the unique ability to promote humor and thus convey joy to others. A really happy stone!