单词 | pyrophyllite |
释义 | pyrophyllite/ˌpʌɪrə(ʊ)ˈfɪlʌɪt/(also pyrophilite, pyrophillite) noun An aluminosilicate mineral resembling talc, occurring as white or pale-coloured foliated masses which exfoliate when heated.
OriginMid 19th century; earliest use found in Edinburgh New Philosophical Journal. From pyro- + ancient Greek ϕύλλον leaf + -ite, after German Pyrophyllit, so called on account of its exfoliation when heated. |
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