单词 | gamsigradite |
释义 | gamsigraditen. Mineralogy. Now rare or disused. A velvet-black manganese-containing mineral (now regarded as a variety of hornblende). ΘΚΠ the world > the earth > minerals > types of mineral > silicates > amphibole (double chain) > [noun] > other uralite1835 gamsigradite1862 palygorskite1868 richterite1868 barkevikite1892 xiphonite1899 narsarsukite1900 winchite1906 juddite1908 imerinite1913 tirodite1938 1862 Amer. Jrnl. Sci. 84 213 Breithaupt has given the name gamsigradite to a black hornblende, from Gamsigrad, in Servia. 1868 J. D. Dana Syst. Mineral. (ed. 5) 238 Gamsigradite; Aluminous Iron-Manganese Amphibole. 1899 Proc. Amer. Acad. Arts & Sci. 34 398 Pargasite, carinthine, gamsigradite, syntagmatite, and barkevikite..give figures that are equivalent with those just described for basaltic hornblende. 1935 C. Palache Minerals Franklin & Sterling Hill 70 Hastingsite (gamsigradite). This entry has been updated (OED Third Edition, March 2013; most recently modified version published online March 2022). < n.1862 |
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