Tag: colour

  • Amethyst Rock: History & Which Means

    Czaja7 carried out Mössbauer spectroscopy measurements on quartz with radiation and heat therapy and the benefits showed that only Fe3+ was identified in the prasiolite and amethyst. They provided the evidence for the existence of Fe3+-H+ complex structure in amethyst by calculation and proposed the structural model of the Fe substitutional internet sites (Fig.3a). The […]