amethyst
clear
close up
collection
crystal
crystalline
decorative
gem
gemmological
gemmology
gemological
gemology
gemstone
geological
geology
gray
gray background
jewelry
lilac
little
macro
macro shooting
material
mineral
natural
object
ornamental
pebble
piece
polished
quartz
rock
sample
semiprecious
small
specimen
stone
structure
surface
texture
textured
translucent
transparent
tumbled
violet
white
white background