Topaz - Utah, US weights and ratios will differ

weights and ratios will differ slightly

roughly 20

but averages around 3 to 4 inches long

Its name is derived from the Greek phrase pyrites lithos translating to the stone which strikes fire

lasting from the Pliocene Epoch to the Holocene

Topaz - Utah, US weights and ratios will differUtah has produced some amazing topaz specimens, leading them to name it the state gemstone. Topaz from this area can be found alongside some other very interesting minerals known as fluorite, bixbite (red beryl), and bixbyite. Topaz is a silicate mineral that contains both aluminum and fluorine. The name Topaz is derived from the old French word "topazus", first applied during the 1730s. This mineral is most commonly found colorless or with slightly