questionedithistorytranslationsCurrent version This is the accepted version. added by Ninjai Jan. 18, 2018, 8:13 p.m. Which of the minerals below show pleochroism? aquamarinebixbitealexandritetopazPleochroism is an optical phenomenon in which a substance has different colors when observed at different angles, especially with polarized light. Alexandrite appears greenish in daylight where the full spectrum of visible light is present, and reddish in incandescent light which emits less green and blue spectrum.NinjaiShare and bring new players to the game!0Very uninterestingToo difficultPoorly writtenIncorrect or questionableCorrect this questionwikipedia → Chrysoberyl#Alexandrite1Very interesting! wikipedia → Chrysoberyl#Alexandritereach: rather globalgeologymineralsVotes Acceptable th3pizgat0r +1 Very interesting! Eolia Acceptable misanthrope