arsenopyrite
black
calcite
crystal
crystalline
cubic
gemology
gemstone
geological
geology
gleaming
glitter
gloss
industry
iron
isolated
little
luster
macro
magnetic
marmatite
material
metal
metallic
metamorphism
mineral
natural
nature
object
ore
orpiment
pebble
piece
raw
rock
sample
shine
shooting
small
specimen
sphalerite
stone
structure
surface
texture
textured
white
yellow
zinc