Massachusetts has no state gem.
Rhodonite. Ok that name sounds richeous! :P
Idaho is called the Gem State.
The state gem of Colorado is the Aquamarine
Idaho's official nickname is the "Gem State".
No US state has the ruby as their official state gem.
It has no official state gem.
California's state gem is benetoite.
Colorado's state gem is the aquamarine.
Oklahoma does not have an Official State Gem.
Washington, D.C. is not a state and therefore does not have a state gem.
Florida's State gem is the moonstone
Idaho's state gem is the star garnet.