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  • cassiterite in massive hydrothermal replacement deposits. Elbaite is allochromatic, meaning trace amounts of impurities can tint crystals, and it can be…
    5 kB (321 palabras) - 18:24 19 ene 2024
  • apply to minerals). Two broad classes of elements (idiochromatic and allochromatic) are defined with regards to their contribution to a mineral's colour:…
    110 kB (13 012 palabras) - 21:01 19 may 2024
  • gem-quality tourmalines are of the elbaite species. Elbaite tourmalines are allochromatic, deriving most of their color and magnetic susceptibility from schorl…
    39 kB (3189 palabras) - 22:38 31 may 2024
  • Fluorite also exhibits the property of thermoluminescence. Fluorite is allochromatic, meaning that it can be tinted with elemental impurities. Fluorite comes…
    34 kB (3748 palabras) - 10:41 22 may 2024