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单词 alstonite
释义

alstoniten.

Brit. /ˈɔːlst(ə)nʌɪt/, /ˈɒlst(ə)nʌɪt/, U.S. /ˈɔlst(ə)ˌnaɪt/, /ˈɑlst(ə)ˌnaɪt/
Origin: From a proper name, combined with an English element; modelled on a German lexical item. Etymons: proper name Alston , -ite suffix1.
Etymology: < the name of Alston Moor, an area of moorland in Cumbria, England, where the mineral was discovered + -ite suffix1, after German Alstonit ( A. Breithaupt Vollständiges Handb. der Mineral. (1841) II. 255).
Mineralogy.
A mineral consisting of a double carbonate of calcium and barium, typically occurring as strongly striated colourless or white pseudohexagonal pyramids. Cf. bromlite n.Chemical formula: BaCa(CO3)2. Crystal system: triclinic.
ΘΚΠ
the world > the earth > minerals > types of mineral > carbonates > [noun] > other carbonates
dialogite1823
gaylussite1826
matlockite1843
cancrinite1844
alstonite1845
phosgenite1849
pistomesite1849
bromlite1868
tengerite1868
teschemacherite1868
sphaerocobaltite1877
spherocobaltite1889
otavite1906
rutherfordine1907
rutherfordite1908
spurrite1908
natrodavyne1913
loseyite1929
tilleyite1933
shortite1939
swartzite1948
norsethite1959
1845 Edinb. New Philos. Jrnl. 39 42 (table) Alstonite.
1852 H. J. Brooke & W. H. Miller Phillips's Elem. Introd. Mineral. (new ed.) 573 In alstonite its crystals, isomorphous with aragonite, cerussite, strontianite and witherite, belong to the prismatic system.
1887 Amer. Naturalist 21 764 A. Becker has analyzed alstonite and barytocalcite from Alston Moor.
1917 W. S. Bayley Descriptive Mineral. xi. 231 Both alstonite and barytocalcite occur in veins of lead ores and of barite (BaSO4).
1951 C. Palache et al. Dana's Syst. Mineral. (ed. 7) II. 219 Small amounts of Mn..are generally present in both alstonite and barytocalcite.
1998 Journal (Newcastle) (Nexis) 18 Sept. 36 Also prized was alstonite, with magnificent specimens from Fallowfield mine appearing in collections.
This entry has been updated (OED Third Edition, September 2012; most recently modified version published online December 2021).
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n.1845
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