epistolite

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English

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Etymology

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From Ancient Greek ἐπιστολή (epistolḗ, letter, message), because of its flat, white appearance, +‎ -ite.

Noun

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epistolite

  1. (mineralogy) A triclinic-pinacoidal mineral containing calcium, fluorine, hydrogen, iron, manganese, niobium, oxygen, silicon, sodium, and titanium.

Further reading

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  • David Barthelmy (1997–2024) “Epistolite”, in Webmineral Mineralogy Database.
  • epistolite”, in Mindat.org[1], Hudson Institute of Mineralogy, 2000–2024.