The Blue Topaz.
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
The scientific name for the state gemstone of Texas, which is the blue topaz, is topaz (with the mineral formula Al₂SiO₄(F,OH)₂). Blue topaz is valued for its striking blue color and is often used in jewelry. It was designated as the official state gem of Texas in 1969.
Arizona's state gemstone is Turquoise.
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.
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.
The State Mineral of Texas is silver. The state's stone is petrified palmwood, and its gem is blue topaz.