Home Minerals Opal Boulder Opal

Australian boulder opal

The best known places to find boulder opal are in Queensland, Australia. Al the pieces on this page are from that area

Boulders with opal filling

Boulder opal is found in large boulders underground. That’s where this mineral gets its name from. The boulders are sand or iron-containing and the holes and cracks are filled with opal. Boulder opal is, after black opal, the most popular and expensive opal type.

Natural Form

Opal is very popular in jewelry, it occurs in all the colors of the rainbow. These boulder opals are 100% natural, untreated and show in a beautiful way how the opal filled the cracks in the boulders. Also in rough form, the various colors are beautiful visible. Especially against the dark background of the matrix.

Boulder Opal meanings

In addition to the normal opal stones (love stone, optimistic and joyful), Boulder Opal has the unique feature of promoting humor and being able to make other people happy. This really is a cheerful stone!