Turgite over Quartz - Spain #5 Location_India with a crust of Quartz

with a crust of Quartz grown over the top

Bastnasite is named after the Bastnas Mines in Sweden

Grounding and balancing

Slovak Republic (prior to 1919 the locality was in the territory of Hungary)

It is extremely unusual in that it will appear green-blue in natural daylight

Turgite over Quartz - Spain #5 Location_India with a crust of QuartzThis 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,