the.com/benitoite
California's official gem, bluer than sapphire and rarer than your patience in traffic.
only sourceGem-quality found almost solely in San Benito County
glows wildFluoresces electric blue under shortwave ultraviolet light
discovered lateFirst identified in 1907, mistaken for sapphire
state gemCalifornia adopted it officially in 1985
barium clueA rare barium titanium silicate, chemically peculiar