单词 | trinacrite |
释义 | > as lemmastrinacrite trinacrite n. /ˈtrɪnəkraɪt/ Mineralogy a brown variety of palagonite n. (Now considered as a rock.) ΘΚΠ the world > the earth > structure of the earth > constituent materials > ejected volcanic material > [noun] > ash ash1667 pozzolana1684 volcanic ash1776 trinacrite1854 Santorin earth1868 pumicite1916 1854 J. D. Dana Syst. Mineral. (ed. 4) ii. 166 Trinacrite..is dull brown and cleavable or micaceous, and is mixed with..Siderosilicite. 1868 H. Watts Dict. Chem. V. 240 Siderosilicite, a mineral forming, together with trinacrite, a brown mass on the tufa..at Cape Passaro, the southernmost point of Sicily. < as lemmas |
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