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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 - an overview | ScienceDirect Topics
    Pleochroism is the term used to describe the color variation for destructive interference with the polarization direction of the light, which depends on the orientation of the material in the light path and is a characteristic of anisotropic materials only
  • 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
    Some gems show pleochroism, 2 or 3 different colors depending on the viewing angle Learn why this occurs and how it helps identify gems
  • 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 - Universidad de Granada
    What is? Pleochroism is the ability of a mineral to absorb different wavelengths of transmitted light depending upon its crystallographic orientations
  • Pleochroism | Science | Research Starters - EBSCO
    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
  • 7. 9: Pleochroism - Geosciences LibreTexts
    Pleochroism is the change of color in colored anistropic (double refractive) gemstones when viewed from different directions or when viewed through plane polarized light





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