Turgite over Quartz - Spain #12 green and is named after the

and is named after the Greek for "appearing sky-blue" after it's deep blue/ black/ grey colour

You will receive the exact Dolomite crystal pictured

professor of chemistry at Vienna university

current evidence suggests it most likely belongs to an Abelisaurid

Turgite over Quartz - Spain #12 green and is named after theThis iridescent Turgite coating over Quartz specimen is from the San Valentin Mine in Spain. You will receive the exact Turgite specimen shown in the pictures. Turgite is a trade name used nowadays to refer to Iridescent varieties of iron oxide minerals, most commonly Goethite or Hematite, that often coat other minerals such as Quartz. As it isn't a single, defined thing, it isn't classified as a mineral, and it's usage had changed over the years,