Prehnite Definition

noun

(mineralogy) A mineral, a basic calcium, aluminium and iron aluminosilicate, which occurs in stalagtitic aggregates or curved crystals, Ca2Al2Si3O10(OH)2.

Wiktionary

Origin of Prehnite

  • Named in 1789 after Hendrik Von Prehn (1733-1785), Dutch colonial governor. This was the first mineral to be named after a person.

    From Wiktionary

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