Opal gem with opal rock

The polished gem is from an unknown locality while the rough specimen of opal rock comes from Baracoo River, Queensland, Australia.

Size: 4945px × 3915px
Photo credit: © Natural History Museum, London / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: australasia, australia, background, black, gem, gemstone, glassy, hydrated, mineraloid, opal, opalescence, polished, rock, shot, silica, studio, studioshot