aggregate
background
brilliant
carat
cluster
crystal
diamond
elegance
emerald
expensive
facet
garnet
gem
gemology
gemstone
geology
glass
green
isolated
jewel
jewelry
lapidary
luxury
matrix
mine
mineral
mineralogy
ore
pegmatite
precious
red
reflection
rich
rock
rough
ruby
sample
semiprecious
shape
shine
shiny
solid
specimen
stone
tourmaline
transparent
tsavorite
wealth
white
yellow