Official State Gemstone of Wyoming
Wyoming designated jade (nephrite) as the official state gemstone in 1967. Nephrite jade was discovered in Wyoming in the 1930s, which resulted in a "jade rush" that lasted several decades. All State Gemstones
Jade is a compact, opaque gemstone that ranges from dark green to almost white in color. Wyoming's state gemstone is the nephrite variety of jade; polished nephrite has an oily luster.