smithiten.
/ˈsmɪθʌɪt/, U.S. /ˈsmɪˌθaɪt/ Mineralogy.
A mineral containing silver and arsenic which typically occurs as orange-red tabular crystals.Formula: AgAsS2. Crystal system: monoclinic.
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patrinite1861
rhombarsenite1887
xantharsenite1892
rathite1897
smithite1905
trechmannite1909
sinnerite1964
aktashite1970
1905 Nature 13 Apr. 574/2 Further crystallographic and chemical details were given of the three new red minerals from the Binnenthal originally described by R. H. Solly, and named by him Smithite (after G. F. Herbert Smith), Hutchinsonite.., and Trechmannite.
1905 R. H. Solly in Mineral. Mag. 14 74 Smithite is associated with hutchinsonite, sartorite, and rathite in the white dolomite of the Lengenbach.
1938 Econ. Geol. 33 155 Proustite occurs..in magnificent eutectic relationships with smithite.
1968 I. Kostov Mineral. 173 Pyrostilpnite, aramayoite, and smithite have perfect pinacoidal cleavage... Smithite is very soft, the other minerals have a hardness between 2 and 3.
2007 P. Roth Minerals First Discovered Switzerland ii. 138 The perfect cleavage..gives smithite an almost micaceous aspect.
This entry has been updated (OED Third Edition, January 2018; most recently modified version published online March 2022).
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n.1905