aggregate
blue
brilliant
cluster
colorful
crystal
crystalline
emerald
expensive
gem
gemmy
gemology
gemstone
geologic
geological
geology
glass
glassy
green
hydrothermal
isolated
jewel
jewelry
luxury
macro
matrix
mine
mineral
mineralogy
natural
nature
pegmatite
precious
quartz
rock
rough
sample
semiprecious
shine
shiny
silicate
specimen
stone
tourmaline
translucent
transparent
treasure
uncut
white