artifact
au
berg crystal
chemical element
chemistry
clear quartz
cluster
colorado
crystal
digger
dignified
eagle mine
element
fine
geology
gloss
gold
gold digger
gold fever
gold mine
gold miner
gold prospectors
gold rush
goldmine
isolated
matrix
metal
metallic
mineral
mining
native
natural
natural resource
nugget
periodic system
periodic table
precious metal
pure
purity
quartz
raw material
rock crystal
specimen
valuable
wealth
white background
worth