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单词 ramdohrite
释义

ramdohriten.

Brit. /ˈramdərʌɪt/, /ramˈdɔːrʌɪt/, U.S. /ˈræmdɔˌraɪt/, /ˌræmˈdɔˌraɪt/
Origin: A borrowing from German. Etymon: German Ramdohrit.
Etymology: < German Ramdohrit (F. Ahlfeld 1930, in Centralblatt f. Mineral., Geol. u. Paläontol. A. 367) < the name of Paul Ramdohr (1890–1985), German mineralogist and specialist in opaque ore mineralogy, in whose university department the mineral was first identified + -it -ite suffix1.
Mineralogy.
A silver-containing sulphide mineral occurring as long grey-black prisms. Ramdohrite is a sulphide of lead, silver, and antimony, Ag3Pb6Sb11S24. Crystal system: monoclinic.
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
1931 Chem. Abstr. 25 2940 Ramdohrite is found as bluish, grey-black prisms in quartz with accompanying pyrite, stannite, sphalerite, jamesonite and pyrargyrite at the Chocaya la Vieja mine, Potosi [Bolivia].
1975 Amer. Mineralogist 60 621 Another solid solution includes the compositions of andorite,..ramdohrite,..and fizelyite.
1996 P. M. Rao tr. I. Ya. Nekrasov Geochem., Mineral. & Genesis Gold Deposits v. 141 Silver deposits are characterised by paragenesis of gold with acanthite, [etc.]..less often with stephanite and minerals of ramdohrite–andorite series.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online March 2022).
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n.1931
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