Min. Obs. [ad. Ger. tetraphylin (Berzelius, 1836), f. TETRA + Gr. φῦλή tribe: see -INE5.] An obs. name for TRIPHYLITE.
1836. R. D. & T. Thomson’s Rec. Gen. Sci., III. 477. Tetraphylline. This appears to be a variety of the preceding [Triphylline].
1896. Chester, Dict. Names Min., Tetraphyline.… An obs. syn. of triphylite, the name given when a fourth base was discovered in it.
