燃やす
ardent
blue
bright
brimstone
chemical
chemistry
cinder
close
colorful
crisp
crust
crystal
crystalize
crystallized
crystallography
crystals
earth
education
educational
elements
erosion
fire
flame
flare
formation
gem
geologic
geological
geology
geothermal
glisten
glitter
lava
light
match
mineral
minerals
other
pattern
perish
phenomenon
pink
quartz
r ice
rock
rystalline
shining
sience
sparkle
stone