brass
brazil
brazzle
cabochon
chalcocite
chalcopyrite
chalcosine
close up
closeup
cobble
collection
crystal
crystalline
fools gold
galena
gem
gemstone
geological
geology
iron pyrite
isolated
kind
material
mineral
natural
nature
pebble
piece
precious
pyrite
rock
rough
rubble
sample
semiprecious
set
small
specimen
stone
surface
texture
white
white background