aggregation
amethyst
artistic
beautiful
blue
collection
colored
concretion
conglomerate
craft
crude
crystal
crystallization
cutout
decorative
druse
gemology
gemstone
geode
isolated
jewel
jewelry
lilac
material
mineral
mineralogy
mining
natural
object
on white
piece
precious
quartz
raw
rock
rough
science
semiprecious
semitransparent
stone
uncut
wild