background
brazilian
brilliant
cluster
color
colorful
crystal
crystalline
deposits
expensive
gem
gemology
gemstone
geologic
geological
geology
glassy
green
hydrothermal
isolated
jewel
jewelry
luxury
macro
matrix
mine
mineral
mineralogy
natural
nature
pegmatite
precious
reflection
rock
rough
semiprecious
shape
shine
shiny
specimen
stone
texture
tourmaline
translucent
transparency
transparent
treasure
uncut
white