australian opal
background
beautiful
black
black opal
blue
blurred
boulder
closeup
colorful
colors
crystal
crystalline
design
ethiopian
expensive
fire
flashes
gem
gems
gemstone
gemstones
geology
inconsistently exposed
iridescent
isolated
jewel
jewellery
jewelry
macro
material
mineral
multi
natural
nature
pebble
quartz
red
rock
sample
silica
soft focus
specimen
stone
structure
texture
travel locations
value
white
wildlife