Definition of phosphophyllite
: a mineral Zn2(FeMn)PO4)2.4H2O consisting of a hydrous phosphate of zinc, ferrous iron, and manganese and forming colorless or pale blue monoclinic crystals with perfect micaceous cleavage (hardness 3–4, specific gravity 3.1)
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Origin and Etymology of phosphophyllite
phosph- + phyllite
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