Chlorastrolite
http://www.Michigan.gov/deq/0,1607,7-135-3311_4112_32722-112290--,00.html
gold
because the gem-isle was cute to them and they chose that rock
Idaho is called the Gem State.
The state gem of Colorado is the Aquamarine
Massachusetts has no state gem.
Idaho's official nickname is the "Gem State".
No US state has the ruby as their official state gem.
California's state gem is benetoite.
It has no official state gem.
Colorado's state gem is the aquamarine.
Oklahoma does not have an Official State Gem.
Idaho is known as the "Gem State"
Idaho's state gem is the star garnet.