The property of some crystals displaying different colours when rotated in plane-polarized light under a microscope is known as:
A. Play of colours
B. Opalescence
C. Iridescence
D. Pleochroism
Answer:D
The property of some crystals displaying different colours when rotated in plane-polarized light under a microscope is known as:
A. Play of colours B. Opalescence C. Iridescence D. Pleochroism