opaque gem
banded jasper
striped jasper
agate
alabaster
amethyst
beryl
carnelian
chalcedony
chrysolite
cornelian
emerald
felspar
garnet
hematite
jade
java
javac
malachite
obsidian
onyx
opal
porphyry
quartz
Caspar
Casper
Gaspar
asper
gasper