Virgin Valley black fire opal; photo © Nevada Magazine (all rights reserved; used by permission).
Official State Precious Gemstone of Nevada
Nevada designated the spectacular Virgin Valley black fire opal as the official state precious gemstone in 1987 (Nevada turquoise was also recognized in 1987 as the official state semi-precious gemstone). All State Gems & Gemstones
The Virgin Valley in northern Nevada is the only place in North America where the black fire opal is found in any significant quantity.
