Here you will find Boulder Opals that have been cut and polished to extract the best play of colour and are ready to be used for creations or collection.
Boulder Opals, characterised by solid brown ironstone matrix or layers, are the second most valuable opals in the world after Black Opals and Australia its only source, primarily Queensland. Patterns and types can be related to the opal field they are mined from.
To help with selective viewing, you will find Koroit opals and Yowah Nuts in their own category due to their uniqueness. We also created a region filter to select areas like Yowah when viewing all products, other smaller opal fields may be mentioned in the stone detailed description along with patterns and colours.