mexican onyx
calcedony
chalcedony
sardonyx
agate
alabaster
amethyst
aquamarine
basalt
carbuncle
carnelian
chrysolite
cornelian
emerald
garnet
hematite
jade
jasper
malachite
obsidian
opal
quartz
turquoise
avionics
conics
electronics
harmonics
histrionics
microelectronics
mnemonics
nucleonics
phonics
sonics
tectonics
tonics