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单词 manasseite
释义

manasseiten.

Brit. /məˈnaseɪʌɪt/, U.S. /məˈnæsɪˌaɪt/
Origin: From a proper name, combined with an English element. Etymons: proper name Manasse , -ite suffix1.
Etymology: < the name of E. Manasse (1875–1922), Italian chemist, mineralogist and petrographer + -ite suffix1 (see quot. 1941).
Mineralogy.
A hydrated carbonate and hydroxide of magnesium and aluminium, Mg6Al2CO3(OH)16·4H2O, that is dimorphous with hydrotalcite, crystallizes in the hexagonal system, and occurs as soft, foliated, whitish masses having a pearly lustre and a greasy feel.
ΘΚΠ
the world > the earth > minerals > types of mineral > carbonates > [noun] > other hydrous or hydrated
scarbroite1829
liebigite1848
zaratite1858
schröckingerite1875
pirssonite1896
artinite1903
rosasite1909
stichtite1911
sharpite1939
manasseite1941
sjögrenite1941
takovite1957
reevesite1967
1941 C. Frondel in Amer. Mineralogist 26 310 These facts indicate with reasonable certainty that the mineral is identical in composition with hydrotalcite. The name manasseite is proposed for this mineral in honor of Ernesto Manasse (1875–1922), Italian chemist, mineralogist and petrographer,..who made important contributions to our knowledge of hydrotalcite and pyroaurite.
1962 W. A. Deer et al. Rock-forming Minerals V. 63 Spinel may alter to talc, mica, serpentine, or corundum: Struwe (1958) has also recorded its alteration to diaspore..and manasseite, Mg6Al2CO3(OH)16.4H2O.
1993 Clays & Clay Minerals 41 558 Among the varieties with CO32− anions, only two- and three-layer polytypes having the same structure as manasseite and hydrotalcite have been confirmed.
This entry has been updated (OED Third Edition, September 2000; most recently modified version published online March 2022).
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n.1941
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