As of 2014, the state gem of Indiana is the Salem Limestone. This became the official gemstone of the state in 1971.
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.
Florida's State gem is the moonstone