different between pleochroism vs alexandrite

pleochroism

English

Noun

pleochroism (countable and uncountable, plural pleochroisms)

  1. (physics) The optical phenomenon in some coloured, transparent crystals (such as tourmaline and opal) in which the colour changes when viewed from different directions.

Related terms

  • dichroism
  • trichroism

Translations

Anagrams

  • lipochromes

pleochroism From the web:

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alexandrite

English

Etymology

Named after Alexander II of Russia +? -ite.

Pronunciation

  • (US) enPR: ?l'-?g-z?n'-dr?t, IPA(key): /?æl.??.?zæn.d?a?t/

Noun

alexandrite (countable and uncountable, plural alexandrites)

  1. (mineralogy) A form of chrysoberyl that displays a colour change dependent upon the light source, along with strong pleochroism.

Translations

Further reading

  • David Barthelmy (1997–2021) , “Alexandrite”, in Webmineral Mineralogy Database
  • “alexandrite”, in Mindat.org?[1], Hudson Institute of Mineralogy, 2000–2021.

alexandrite From the web:

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