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单词 alloclasite
释义

alloclasiten.

Brit. /aləˈkleɪzʌɪt/, U.S. /ˌæləˈkleɪˌzaɪt/
Origin: A borrowing from German, combined with an English element. Etymons: German Alloklas , -ite suffix1.
Etymology: < German Alloklas alloclase n. + -ite suffix1. N.E.D. (1884) gives the pronunciation as (æ̆lǫ·klăsəit) /æˈlɒkləsaɪt/.
Mineralogy.
A rare mineral consisting of a sulphide and arsenide of iron and cobalt (often with other metals), typically occurring as aggregates of slender, steel-grey crystals.Approximate formula: (Co,Fe)AsS. Crystal system: orthorhombic.
ΘΚΠ
the world > the earth > minerals > types of mineral > sulphides and related minerals > sulpho-salts > [noun] > others
bournonite1805
kobellite1844
grünauite1849
steinmannite1849
freieslebenite1850
saynite1854
haidingerite1863
alloclase1866
alloclasite1868
wittichenite1868
klaprothite1872
klaprotholite1872
guejarite1880
lautite1883
matildite1892
cylindrite1893
franckeite1893
hauchecornite1893
lorandite1895
lengenbachite1904
marrite1904
samsonite1910
vrbaite1913
weibullite1913
ramdohrite1931
parkerite1936
renierite1949
imhofite1965
nowackiite1965
nuffieldite1968
1868 J. D. Dana Syst. Mineral. (ed. 5) 80 The supposed glaucodot of Orawicza is alloclasite.
1885 H. Erni Mineral. Simplified (ed. 2) 234 The concentrated solution of alloclasite becomes turbid upon the addition of water ([indicating] bismuth).
1916 J. Murdoch Microsc. Determination Opaque Minerals 37 Alloclasite.—Probably glaucodot, or a similar mineral, with blebs of bismuth (?) and a bluish gray, soft mineral, scattered through it.
2008 Ore Geol. Rev. 33 57/1 (Co, Ni, Fe)-bearing minerals in the studied deposits are represented by sulfoarsenides (cobaltite, gersdorffite, arsenopyrite, alloclasite), monoarsenides..and sulfides.
This entry has been updated (OED Third Edition, September 2012; most recently modified version published online March 2022).
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n.1868
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