[MSA-talk] Tips for helping color-blind students with optical mineralogy
Lincoln S. Hollister
linc at Princeton.EDU
Fri Oct 20 08:53:33 EDT 2017
As you may remember, I am very color blind. However, optical mineralogy does not rise to the level of disability abuse that computer graphics has risen to, but that is another story.
For optical mineralogy I quickly learned that relative index of refraction (relief) was more reliable for identification than color. Colors can often be misleading and not according to the book. So it is just a question of the becke line at grain boundary, between known mineral and unknown.
Many color blind people see yellow very well. Tell your student he (note student must be a “he”) will likely do very well with staurolite, which is pleochroic in shades of yellow. Regular people can’t see this, in many cases. So I spent lots of my career on the study of staurolite.
On Oct 19, 2017, at 5:39 PM, Lydia Fox <lkfox at pacific.edu<mailto:lkfox at pacific.edu>> wrote:
I am looking for tips to help a color-blind student who is really struggling with the optical component of my course this semester. I’d appreciate any ideas you can pass along!
Lydia K. Fox
Department of Geological & Enviornmental Sciences
University of the Pacific | 3601 Pacific Ave | Stockton, CA 95211| p. 209.946.2481|
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