Phillipsite
Pronunciation : Phil"lips*ite
Part of Speech : n.
Etymology : [So named after John Phillips, an English mineralogist.] (Min.) (a) A hydrous silicate of aluminia, lime, and soda, a zeolitic mineral commonly occurring in complex twin crystals, often cruciform in shape; -- called also christianite.
Source : Webster's Unabridged Dictionary, 1913