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单词 pennite
释义

penniten.

Brit. /ˈpɛnʌɪt/, U.S. /ˈpɛnˌaɪt/
Origin: A borrowing from German. Etymon: German Pennit.
Etymology: < German Pennit (R. Hermann 1849, in Jrnl. f. praktische Chem. 47 13) < Penn- (in the name of Pennsylvania (see Pennsylvania n.), where the mineral was first found) + -it -ite suffix1.
Mineralogy. Now rare.
A greenish variety of hydrodolomite, containing nickel.
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the world > the earth > minerals > types of mineral > carbonates > [noun] > hexagonal > dolomite > varieties
pearl spar1793
miemite1804
rhomb spar1804
gurhofite1816
brown-spar1843
pennite1850
tharandite1850
kutnahorite1907
huntite1953
protodolomite1955
1850 Amer. Jrnl. Sci. 59 217 Hermann has made a new mineral which he calls Pennite.
1868 J. D. Dana Syst. Mineral. (ed. 5) 708 Pennite of Hermann, from Texas, Pa., is in apple-green to whitish crusts.
1875 F. A. Genth Prelim. Rep. Mineral. Pennsylvania 156 At the same locality are found peculiar grayish-white incrustations, frequently colored green by a small admixture of zaratite, which are usually called ‘pennite’.
1975 Geochimica et Cosmochimica Acta 39 1692 (table) Pennite..Switzerland.
This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022).
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n.1850
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