beautiful
beryl
black
blue
chemical
crystal
dry
element
emerald
full
gem
gemstone
geologist
geology
green
hard
industry
isolated
jewel
light
macro
manufacturing
material
mine
miner
mineral
mountain
museum
natural
old
ore
pattern
power
precious
prospect
prospecting
rare
raw
rough
sample
science
semiprecious
stone
surface
system
texture
traditional
translucent
white