Turgite over Quartz - Spain #6 Rare Crystals_Aquamarine good for sensitive people

good for sensitive people

The colour is caused by the reflection of the microscopic inclusions within the obsidian

This rare Scheelite crystal is from Guizhou Province

sometimes grey/brown

Turgite over Quartz - Spain #6 Rare Crystals_Aquamarine good for sensitive peopleThis 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,