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pleochroism    
多色性; 多向色性; 复色现象



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  • Pleochroism - Wikipedia
    Pleochroism is an optical phenomenon in which a substance has different colors when positioned at different angles with respect to linearly polarized light [1] The roots of the word are from Greek (from Ancient Greek πλέων (pléōn) 'more' and χρῶμα (khrôma) 'color')
  • Pleochroism | Optical Properties, Color Variations Causes | Britannica
    Pleochroism is the general term for both dichroism, which is found in uniaxial crystals (crystals with a single optic axis), and trichroism, found in biaxial crystals (two optic axes) It can be observed only in coloured, doubly refracting crystals
  • Pleochroism: Gems That Change Color, Causes, Examples
    Pleochroism is an optical phenomenon observed in certain minerals and gemstones where they display different colors when viewed from different angles or under varying light conditions
  • What is Gemstone Pleochroism? - International Gem Society
    What is Gemstone Pleochroism? Some gems show pleochroism, two or three different colors depending on the viewing angle Learn why this occurs and how it helps gemologists identify gems
  • Pleochroism - an overview | ScienceDirect Topics
    Pleochroism is the property of a crystal exhibiting different colours because the crystal structure absorbs a particular wavelength depending on the direction of vibration light passing through a crystal
  • Pleochroism - Geology is the Way
    Pleochroism is the change in color of a colored birefringent mineral that is observed at the petrographic microscope under plane polarized light when the stage is rotated The name itself derives, indeed from the Greek pléōn khrôma, more colors
  • PLEOCHROISM Definition Meaning - Merriam-Webster
    The meaning of PLEOCHROISM is the property of a crystal of showing different colors when viewed by light polarized in different directions
  • Pleochroism in minerals
    Pleochroism or dichroism is the change in color evident as the mineral is rotated under plane-polarized light The primary cause of dichroism or pleochroism in minerals is due to adsorption of particular wavelengths of light
  • Pleochroism - Universidad de Granada
    Pleochroism is the ability of a mineral to absorb different wavelengths of transmitted light depending upon its crystallographic orientations
  • Pleochroism | Science | Research Starters | EBSCOhost
    Pleochroism is a property that makes some substances appear to be different colors when viewed from different angles Also referred to as polychroism, pleochromatism, and polychromatism, this optical illusion occurs most often in crystals that are exposed to polarized light





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