| Lapidary material | Koroit boulder opal |
|---|---|
| size | 24mm x 12mm x 5mm |
| weight | 10 carats |
| color | green fire |
Check the listing for details. Koroit Boulder Opal freeform oval Cabochon green Fire. Color: green fire. Listed at 60.00 USD. This is a freeform oval Koroit boulder opal cabochon from Gene McDevitt’s mine in. Australia ~ 10 carats. This is a nice opal to set.