Flint.
The state legislature adopted flint as the state gemstone in 1965 because the gem is plentiful in the state.
Arizona's state gemstone is Turquoise.
Turquoise is the official state gemstone of Arizona.
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.
Ohio is the 17th State in the United Stated of America. The capital is Columbus,Ohio. The state bird id the cardinal.The state animal is the White-Tailed Deer. The state reptile is the Black Racer.The state Insect is the ladybug. go to this website.The state flower is the Scarlet Carnation or the scientific name Dianthus caryophyllus.The state gemstone is the flint rock.the state tree is the Ohio buckeye or Hippocastanaceae Aesculus glabra.With God, All Things Are Possible is Ohio's motto.this is pretty much all u need to know about Ohio.
Ohio is the 17th State in the United Stated of America. The capital is Columbus,Ohio. The state bird id the cardinal.The state animal is the White-Tailed Deer. The state reptile is the Black Racer.The state Insect is the ladybug. go to this website.The state flower is the Scarlet Carnation or the scientific name Dianthus caryophyllus.The state gemstone is the flint rock.the state tree is the Ohio buckeye or Hippocastanaceae Aesculus glabra.With God, All Things Are Possible is Ohio's motto.this is pretty much all u need to know about Ohio.
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.
The official state gemstone of Alabama is the Star Blue Quartz, adopted in 1990.
North Carolina's state rock is granite, and state gemstone is emerald.