Turquoise is the official state gemstone of Arizona.
torquoise
Arizona's state mineral is copper. This is why Arizona's nickname is the copper state. Their state gemstone is turquoise. They don't have a state rock or stone.
The state gemstone of Pennsylvania is the red variety of the mineral corundum, known as ruby. It was designated as the state gemstone in 1993 to recognize the significant deposits of this gemstone found in the state.
Alaska's state gemstone is Jade.
The state gemstone is the garnet.I don't believe it has one.
The Freshwater Pearl is the official state gemstone of Kentucky.
The Oregon state gemstone is sunstone.
I dont think theres an official gemstone for the US but there is a Official gemstone for each state.
Agatized Coral and the State Gemstone is the Moonstone.
Flint. The state legislature adopted flint as the state gemstone in 1965 because the gem is plentiful in the state.
The official state gemstone of Alabama is the Star Blue Quartz, adopted in 1990.