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单词 dufrenoysite
释义

dufrenoysiten.

Brit. /ˌd(j)uːfrəˈnɔɪzʌɪt/, U.S. /ˌd(j)ufrəˈnɔɪˌzaɪt/
Origin: A borrowing from French. Etymon: French dufrénoysite.
Etymology: < French dufrénoysite (A. Damour 1845, in Ann. de chim. et de physique 30 383) < the name of Ours-Pierre-Armand Petit-Dufrénoy , known as Pierre-Armand Dufrénoy (1792–1857), French geologist and mineralogist + French -ite -ite suffix1, with insertion of s for euphony, probably after other mineral names ending in -site (compare e.g. marcasite marcasite n.).
Mineralogy.
A mineral consisting of a sulphide of lead and arsenic, typically occurring as dark grey prisms with a metallic lustre.Chemical formula: Pb2As2S5. Crystal system: monoclinic.
ΘΚΠ
the world > the earth > minerals > types of mineral > sulphides and related minerals > [noun] > other sulphides
ethiops1697
ethiops mineral1727
sternbergite1826
proustite1835
greenockite1840
dufrenoysite1846
aciculite1849
pyrargyrite1849
schreibersite1849
siegenite1854
troilite1868
valleriite1875
argyrodite1886
semseyite1886
canfieldite1893
sulvanite1900
teallite1904
patronite1906
hydrotroilite1913
violarite1924
cooperite1928
braggite1932
mackinawite1962
roquesite1963
vysotskite1963
mawsonite1965
rhodostannite1968
1846 Chemist 7 21/1 M. Damour proposes calling this mineral dufrenoysite.
1868 J. D. Dana Syst. Mineral. (ed. 5) 88 Sartorite... From the Binnin valley with dufrenoysite and binnite.
1915 Trans. Amer. Inst. Mining Engineers 1914 49 297 A small amount of dufrenoysite..must be present in the Silver King mineral.
2005 M. Shimizu et al. in J. Mao & F. P. Bierlein Mineral Deposit Res. I. 696/1 In plane-polarized light, the two minerals (dufrenoysite and marumoite) are weakly bireflectant.
This entry has been updated (OED Third Edition, June 2016; most recently modified version published online March 2022).
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n.1846
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