About Boulder Opal:Boulder opals which are mined only in central Queensland Australia, are fund in ironstone. DETAILS: No7826NP Natural solid boulder opal loose stone2.65ct. Stone Natural solid boulder opal.
| Materials Sourced From | Australia |
| Gemstone Treatment | Not Enhanced |
| Gemstone Form | Polished |
| Gemstone Type | Boulder Opal |
| Gemstone Shape | Freeform |
| Total Carat Weight | 2.65ct |
| Gemstone Creation | Natural |
A nice touch for designers: natural stone adds organic contrast to metal settings.