Stunning boulder crystal opal from the Queensland opal fields. Orange, green, yellow and blue; bright and sparkling! A beautiful solid opal with a little ironstone pattern on one side. Freeform shape 12.35 x 15mm, thickness 4.3mm. A beautiful solid opal but has a small fracture near the ironstone. Still possible to set into a pendant or something special. Weight 5.9carats/1.18grams.  Was $800 now $550