单词 | nasonite |
释义 | nasoniten. Mineralogy. A trigonal silicate and chloride of calcium and lead, Ca4Pb6(Si2O7)3Cl2, which forms prismatic crystals and occurs as white or grey granular masses. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > sorosilicates > [noun] > others meionite1808 gehlenite1817 marialite1868 bertrandite1887 lawsonite1895 nasonite1899 thortveitite1912 sklodowskite1924 rankinite1942 nenadkevichite1955 shcherbakovite1955 kilchoanite1961 1899 S. L. Penfield & C. H. Warren in Amer. Jrnl. Sci. 158 346 Hand specimens usually present a mottled or spotted appearance owing to numerous inclusions of yellow axinite and brown garnet, which are scattered rather uniformly through the massive nasonite. 1935 Prof. Papers U.S. Geol. Surv. No. 180. 93/2 Nasonite commonly forms the matrix of glaucochroite crystals, and in the few specimens seen is also associated with garnet, axinite, and barite. 1985 Mineral. Mag. 49 725 Margarosanite..is one of the two most common lead silicate minerals in this assemblage; the other is nasonite. This entry has been updated (OED Third Edition, June 2003; most recently modified version published online March 2022). < n.1899 |
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