agate
arabic
aragonite
ball
banded
brindle
brown
calcite
carnelian
chalcedony
fibrillar
fibrous
filamentary
gem
gift
green
jewel
marble
mineral
multicolor
natural
onyx
polished
precious
quartz
quartzose
quartzous
round
semiprecious
silica
sphere
spiritual
stone
streaky
striated
stringy
striped
tabby
white
yellow