chalcedony
colophonite
chrysolite
diamond
dolomite
diopside
feldspar
fayalite
fluorspar
haematite
hornblende
halite
Iron Pyrite (fool's gold)
Ilmenite
malachite... not really a gem, perhaps
Nephrite - the mineral name of Jade
sapphire
silver
Hey, a great big WELCOME to kayangel1431!!!!
tanzanite
turquoise
topaz
tourmaline