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Webster 1913 Edition

Noun.

[Prob. from

Lorenz

Oken

, a German naturalist.]

(Min.)

A massive and fibrous mineral of a whitish color, chiefly hydrous silicate of lime.

okenite ‎(plural okenites)

(mineralogy) A silicate mineral associated with zeolites, having the chemical formula (CaSi₂O₅·2H₂O).