Which of the minerals below show pleochroism?
aquamarine
bixbite
alexandrite
topaz
Pleochroism 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.
reach: rather globalgeologyminerals
Answers by country
aquamarine
bixbite
alexandrite
topaz
answers

11

27

22

20

16

32

15

3696

348

354

14

32

56

89

14

25

86

17