Riebeckite definition

bə-kīt
A dark blue or greenish amphibole mineral, Na2 Fe5 Si8 O22 (OH)2 , whose fibrous form is known as crocidolite asbestos.
noun
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(mineralogy) A form of amphibole rich in sodium.
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Other Word Forms

Noun

Singular:
riebeckite
Plural:
riebeckites

Origin of riebeckite

  • Riebeck +‎ -ite, named after German explorer Emil Riebeck.

    From Wiktionary