单词 | vermiculite |
释义 | vermiculite [vǝr`mik·yǝ´līt] MINERALOGY (Mg,Fe,Al)3(Al,Si)4O10(OH )2⋅4H2O A clay mineral constituent similar to chlorite and montmorillonite, and consisting of trioctahedral mica sheets separated by double water layers; sometimes used as a textural material in painting, or as an aggregate in certain plaster formulations used in sculpture. |
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