English Explanatory Dictionary

prehnite

English dictionary entry

Meanings

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

Word forms

prehnite prehnites

Etymology

Named after Dutch colonial governor of Cape of Good Hope Hendrik van Prehn in 1788, Dutch colonial governor. This was the first mineral to be named after a person.

Derived words

prehnitic
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