Etymology

katoptrite

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Today it means: A monoclinic-prismatic mineral containing aluminum, antimony, iron, magnesium, manganese, oxygen, and silicon. Full definition →

Ancient Greek κάτοπτρον
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The story

  1. Ancient Greek · derived fromκάτοπτρον“mirror”
  2. English todaykatoptrite

Ancient Greek κάτοπτρον (kátoptron, “mirror”) + -ite, named "for the perfectly reflecting cleavage surfaces".

Words from the same roots

Ancient Greekκάτοπτρον all →

catoptercatoptromancycatoptrophobia

Etymology from Wiktionary, CC BY-SA 4.0.