Turgite over Quartz - Spain #7 halloween Navajo Sandstone is an enormous

Navajo Sandstone is an enormous sand sea that covers almost 400

Orca Agate is a form of Agate from Madagascar with a deep blue and white pattern on it

This delicate rare Zincite specimen is from Poland

stubby crystals (reminiscent of Aragonite) is from Strontian Barite Mine

including some very attractive pieces from Nevada

Turgite over Quartz - Spain #7 halloween Navajo Sandstone is an enormousThis 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,