phillipsite

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WORDNET DICTIONARY

Noun phillipsite has 1 sense

phillipsite(n = noun.substance) - a group of white or reddish crystalline minerals of the zeolite family consisting of a hydrous silicate of calcium and potassium and aluminum;

is a kind of

zeolite

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CIDE DICTIONARY

phillipsite, n. [So named after John Phillips, an English mineralogist.].

A hydrous silicate of aluminia, lime, and soda, a zeolitic mineral commonly occurring in complex twin crystals, often cruciform in shape; -- called also christianite. [1913 Webster]