mineral
opaque gem
black opal
fire opal
girasol
harlequin opal
agate
amber
amethyst
aquamarine
azure
beryl
carbuncle
coral
cornelian
emerald
filigree
garnet
iridescent
jade
lapis
lapis lazuli
lazuli
milky
moonstone
onyx
turquoise
vermilion
Constantinople
Opel