aventurine
background
close
closeup
collection
crystal
crystalline
gem
gemmology
gemology
gemstone
geological
geology
green
hard
isolated
jewel
jewelry
little
macro
mineral
natural
nature
object
ornamental
pebble
piece
polished
precious
quartz
rock
sample
semiprecious
small
specimen
stone
surface
transparent
tumbled
up
white