amethyst

aquamarine

black onyx

black rutile quartz

blue topaz

carnelian

chrysoprase

citrine

clear quartz

garnet

green aventurine

green onyx

hematite

hessonite garnet

howlite

iolite

labradorite

lapis lazuli

larimar

lemon quartz

moonstone

mother of pearl

pearl

peridot

pink opal

rainbow moonstone

rose quartz

ruby

smoky quartz

tourmaline

turquoise

yellow opal