| 单词 | pyrophyllite |
| 释义 | pyrophyllite /puy'reuh fil"uyt, puy rof"euh luyt'/, n. Mineral. a phyllosilicate, AlSi2O5(OH), usually having a white or greenish color, and occurring in either foliated or compact masses, the latter variety being used like soapstone. [1820-30; < G Pyrophyllit; so called because it exfoliates when heated. See PYRO-, -PHYLL, -ITE1] |
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