What is "okenite"

Okenite \O"ken*ite\, n. [Prob. from Lorenz Oken, a German naturalist.] (Min.) A massive and fibrous mineral of a whitish color, chiefly hydrous silicate of lime.

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

Okenite (CaSiO·2HO) is a silicate mineral that is usually associated with zeolites. It most commonly is found as small white "cotton ball" formations within basalt geodes. These formations are clusters of straight, radiating, fibrous crystals that are both bendable and fragile.