a mineral, a rare phosphate of lithium, iron, and manganese, usually occurring in masses of a bluish or greenish color.
Also called triphyline [trif-uh-leen, -lin] .

1830–40; tri- + Greek phȳl() tribe, phyle + -ite1; replacing triphyline < German Triphylin Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
triphylite (ˈtrɪfɪˌlaɪt)
a bluish-grey rare mineral that consists of lithium iron phosphate in orthorhombic crystalline form and occurs in pegmatites. Formula: LiFePO4
[C19: from tri- + phyl-, from Greek phulon family + -ite1, referring to its three bases]

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