Not mines, but Topaz, the Texas state gemstone, is found in stream beds in the central Texas Hill Country.
Texas does not have a State Mineral, but the State Rock is petrified palm wood, and the State Gemstone is blue topaz.
Texas' stone: Oligocene petrified palmwood Texas' gemstone: Texas blue topaz
Arizona's state gemstone is Turquoise.
The State Mineral of Texas is silver. The state's stone is petrified palmwood, and its gem is blue topaz.
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.
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.