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Pleochroism
Title
Pleochroism
Subject
Some minerals are pleochroic. When rotated under plane polarised light they change colour. Biotite and the amphibole hornblende are pleochroic.
Description
Have a look at hornblende amphibole (M201, M211) and biotite mica (M303, M304) in the 1A Reference Series.
Collection
Citation
“Pleochroism,” 1A Collections, accessed April 9, 2024, https://wserv3.esc.cam.ac.uk/p1acollections/items/show/239.