different between corundum vs mullite

corundum

English

Etymology

From Tamil ????????? (kuruntam, ruby, sapphire) [early 18th century].

Pronunciation

  • (UK, US) IPA(key): /k????n.d?m/

Noun

corundum (countable and uncountable, plural corundums)

  1. (mineralogy) An extremely hard mineral, a form of aluminum oxide with the chemical formula Al2O3, that occurs in the form of the gemstones sapphire and ruby; it is used as an abrasive.

Derived terms

  • carborundum

Translations

Further reading

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

corundum From the web:

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mullite

English

Etymology

Named for type locality Mull (Scotland) +? -ite.

Noun

mullite (countable and uncountable, plural mullites)

  1. (mineralogy) An orthorhombic-dipyramidal mineral containing aluminum, oxygen, and silicon.

Further reading

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

mullite From the web:

  • what is mullite used for
  • what is mullite refractory
  • what does mullite mean
  • what are mullite ceramics
  • what is kaolin mullite
  • what temperature does mullite melt
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