adularescence
adularia
background
bead
beautiful
blue
cabochon
close
collection
crystal
crystalline
feldspar
gem
gemmology
gemology
gemstone
geological
geology
isolated
luster
lustre
macro
material
mineral
moonstone
natural
nature
object
opalescent
ornamental
pebble
piece
polished
rock
sample
semiprecious
sheen
shine
shiny
shooting
small
specimen
stone
structure
surface
texture
transparent
up
white