berg crystal
crystal
crystalline
crystallize
deposit
dioxide
excavate
facet
gem
gemology
gemstone
gemstones
geology
glass
hard
healing
healing stone
jewelry
manufacturing
mineral
mineralogy
minerals
mining
mountain crystal
mystic
natural
precious
pure quartz
quartz
quartz crystal
rock
rock quartz
rock stone
semiprecious
shiny
silica
silicate
silicon
sio2
specimen
stone
translucent
transparent
white