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30 March 2024

  • 01:2501:25, 30 March 2024 diff hist −18 Dichroic glass Dichroic glass, and "trichroic glass" (not familiar with the term used in that context) are not pleochroic. Glass can not be pleochroic. Pleochroism requires anisotropic crystal structure, glass has isotropic non-crystalline structure. "Dichroism" can refer to various effects in glass, or it can refer to pleochroism where a crystalline substance only two distinct color axes, but these two senses of the word are completely distinct

6 December 2022

28 April 2022

6 July 2021

30 October 2019

26 December 2018

21 December 2018

30 June 2016

10 December 2014

12 August 2014