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单词 nemalite
释义

nemaliten.

Brit. /ˈnɛməlʌɪt/, /ˈniːməlʌɪt/, U.S. /ˈniməˌlaɪt/, /ˈnɛməˌlaɪt/
Origin: A borrowing from Greek, combined with an English element. Etymons: Greek νῆμα , -lite comb. form1.
Etymology: < ancient Greek νῆμα thread (see nemato- comb. form) + -lite comb. form1.
Mineralogy.
A fibrous variety of brucite.
ΘΚΠ
the world > the earth > minerals > types of mineral > oxides and hydroxides > [noun] > hydroxides > brucite
nemalite1822
brucite1841
1822 T. Nuttall in Amer. Jrnl. Sci. 4 19 Nemalite..possesses the usual silky lustre and flexible fibrous texture [of amianthus] and is commonly of a pale blue colour.
1882 J. D. Dana Min. (ed. 4) 204 The fibrous variety [of Brucite] has been called nemalite..; it occurs at Hoboken.
1897 Proc. Royal Soc. 1896–7 60 433 Nemalite is a fibrous variety of brucite. In its chemical composition it is a hydrate of magnesia, with a small quantity of protoxide of iron and carbonic acid.
1944 C. Palache et al. Dana's Syst. Mineral. (ed. 7) I. 638 In the United States [brucite was] originally found at Hoboken, New Jersey, with hydromagnesite, artinite, dolomite, in serpentine, in part fibrous (the original nemalite).
1992 W. A. Deer et al. Introd. Rock-forming Minerals (ed. 2) 570 A fibrous variety, nemalite, often appears to be rich in iron, but this is generally attributable to the presence of magnetite among the fibres.
This entry has been updated (OED Third Edition, September 2003; most recently modified version published online March 2022).
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n.1822
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