• WordNet 3.6
    • n phillipsite a group of white or reddish crystalline minerals of the zeolite family consisting of a hydrous silicate of calcium and potassium and aluminum
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Webster's Revised Unabridged Dictionary
    • n Phillipsite (Min) A hydrous silicate of aluminia, lime, and soda, a zeolitic mineral commonly occurring in complex twin crystals, often cruciform in shape; -- called also christianite.
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Century Dictionary and Cyclopedia
    • n phillipsite In mineralogy, a hydrous silicate of aluminium, calcium, and potassium, commonly found in cruciform twin crystals. It is a member of the zeolite group, and is closely related to harmotome. It occurs chiefly in basaltic rocks, but was obtained also by deep-sea dredging by the Challenger expedition. Also called christianite.
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Webster's Revised Unabridged Dictionary
So named after John Phillips, an English mineralogist


In literature:

Twinned crystals of exactly the same kind are also frequent in phillipsite (q.v.).
"Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 1" by Various