scolecite

(skälə sīt′, skōl-)

noun

a colorless or white, monoclinic zeolite, CaAlSiO·3HO, found in cavities or cracks, esp. in basalt, schist, or limestone; hydrous calcium aluminum silicate

Origin: Ger scolezit < Gr skōlēx, worm (see scolex): some forms curl when heated

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