Raw and uncut Australian opal. Opal is a hydrated amorphous form of silica. Opal is the national gemstone of Australia.

---

Size: 2975px × 4463px
Photo credit: © Richard Green / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aqua, australia, australian, blue, exports, gem, gemstone, gemstones, mineral, national, natural, opal, opals, purple, raw, real, resource, resources, stone, uncut, unset, untreated