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smithite

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Journal Article
Journal: Economic Geology
Published: 01 May 1970
Economic Geology (1970) 65 (3): 241-252.
... encountered: proustite and xanthoconite (both Ag 3 AsS 3 ), smithite and trechmannite (both AgAsS 2 ), and Ag 7 AsS 6 . The phase relations of proustite were studied in detail. The maximum temperatures at which proustite can coexist with either Ag 7 AsS 6 , Ag 2 S, As, or smithite are, respectively, 480...
Journal Article
Published: 01 February 1989
American Mineralogist (1989) 74 (1-2): 243-249.
...L. Taras Bryndzia; O.J. Kleppa AbstractHigh‐temperature direct‐synthesis calorimetry of the silver thioarsenite minerals smithite (AgAsS2), trechmannite (AgAsS2), and proustite (Ag3AsS3) at 793 K yielded mean values for the standard enthalpy of formation from the elements of −59.1 ± 2.3,−74.77...
Journal Article
Published: 01 December 2013
European Journal of Mineralogy (2013) 25 (6): 1031-1038.
... to the early lead-containing stages of the Tl–As–Sb period of mineralization. It occurs in a silicified gangue, along with smithite and late realgar. Jarouxite forms dark gray anhedral grains with metallic luster, up to several millimeters in size, as well as aggregates of grains which range to more than 10 mm...
FIGURES
Journal Article
Published: 01 August 1999
European Journal of Mineralogy (1999) 11 (4): 709-719.
...Daniel E. Harlov AbstractExperimental Ag-Cu exchange equilibria (evacuated silica tubes; variable mass ratio) involving proustite (Ag,Cu) 3 AsS 3 , smithite AgAsS 2 , pearceite (Ag,Cu) 16 As 2 S 11 , lautite CuAsS, and sinnerite Cu 6 As 4 S 9 are reported over the temperature range 150-350 degrees...
Image
Eckerite (reddish-brown) in association with yellowish, fibrous <b>smithite</b> an...
Published: 01 June 2015
F ig . 1. Eckerite (reddish-brown) in association with yellowish, fibrous smithite and realgar.
Image
(a) A stockwork of <b>smithite</b> (red) and jasrouxite (dark) in silicified gangu...
Published: 01 December 2013
Fig. 1 (a) A stockwork of smithite (red) and jasrouxite (dark) in silicified gangue, split open at the Jas Roux deposit. (b) Macrophotograph of a nest of jasrouxite (black) surrounded by smithite and realgar (red). (c–f) Embayment of myrmekite, composed of As-bearing stibnite ( stb ), smithite
Image
Black euhedral raberite with yellowish fibrous <b>smithite</b> on a dolomite matri...
Published: 01 October 2012
F ig . 1. Black euhedral raberite with yellowish fibrous smithite on a dolomite matrix (white). The picture is 1 mm across.
Image
The one-sided coordination of Pb 2+  in joe-<b>smithite</b>. This arrangements all...
Published: 01 October 2007
Figure 3. The one-sided coordination of Pb 2+ in joe-smithite. This arrangements allows appropriate bond-valence sums at the basal oxygen atoms of the T (1)B tetrahedron occupied by Be 2+ [O(5)B,O(6)B,O(7)], and leaves room for the 6 s 2 lone pair.
Journal Article
Published: 01 August 2017
European Journal of Mineralogy (2017) 29 (4): 689-700.
... are jasrouxite, stibnite, smithite, guettardite, chabournéite, pierrotite and As-bearing zink enite. Écrinsite is opaque with metallic lustre. It is brittle without any discernible cleavage and with conchoidal fracture. In reflected light écrinsite is white, pleochroism is not discernible. Internal reflections...
Journal Article
Published: 01 June 2015
Mineralogical Magazine (2015) 79 (3): 687-694.
...F ig . 1. Eckerite (reddish-brown) in association with yellowish, fibrous smithite and realgar. ...
FIGURES
Journal Article
Published: 01 February 2014
Mineralogical Magazine (2014) 78 (1): 1-9.
...L. Bindi; F. Nestola; E. Makovicky; A. Guastoni; L. De Battisti AbstractPhilrothite, ideally TlAs3S5, is a new mineral from the Lengenbach quarry in the Binn Valley, Valais, Switzerland. It occurs as very rare crystals up to 200 μm across on realgar associated with smithite, rutile and sartorite...
FIGURES
Journal Article
Published: 01 October 2013
The Canadian Mineralogist (2013) 51 (5): 727-734.
... is distinct and rotation tints vary between dark brown and bluish grey. Ferdowsiite is associated with large corroded crystals of arsenquatrandorite and is partly replaced by guettardite. It also corrodes smithite. Ferdowsiite is often associated with tetrahedrite/tennantite and forms worm-like symplectites...
FIGURES
Journal Article
Published: 01 October 2012
Mineralogical Magazine (2012) 76 (5): 1153-1163.
...F ig . 1. Black euhedral raberite with yellowish fibrous smithite on a dolomite matrix (white). The picture is 1 mm across. ...
FIGURES | View All (6)
Journal Article
Published: 01 June 1999
Mineralogical Magazine (1999) 63 (3): 399-411.
... are constrained by a miscibility gap between alpha -miargyrite and chalcostibite from 225 to 325 degrees C. The mixing model for alpha -miargyrite is expanded to include As for which alpha -miargyrite has a limited solubility along the Sb-As join with smithite AgAsS 2 . GeoRef, Copyright 2004, American Geological...
Journal Article
Published: 01 August 1968
American Mineralogist (1968) 53 (7-8): 1208-1214.
... synthetic smithite and trechmannite in polished section are described. 4 12 1967 25 1 1968 Copyright © 1968 by the Mineralogical Society of America 1968 Mineralogical Society of America ...
Image
Phase diagram of Ag 2 S-Sb 2 S 3 -As 2 S 3  pseudo-ternary system at 350°C ...
Published: 01 February 2012
Fig. 5 Phase diagram of Ag 2 S-Sb 2 S 3 -As 2 S 3 pseudo-ternary system at 350°C ( Sugaki & Kitakaze 1984 , 1992 ). Abbreviations are bau: baumstarkite, stb: stibnite, mia: miargyrite, smi: smithite, pyr-pro ss: pyrargyrite-proustite solid solution, liq: liquid.
Image
(a) Irregular remnant of arsenquatrandorite ( arq,  center) surrounded and ...
Published: 01 October 2013
Fig. 1 (a) Irregular remnant of arsenquatrandorite ( arq, center) surrounded and replaced by ferdowsiite ( fer ), which in turn is enveloped and partly replaced by guettardite (a thin envelope). Size of the aggregate: 2 mm. (b) A crystal of smithite ( smt , center) replaced from the margins
Image
Phase diagrams for the Ag 2 S-Cu 2 S-AgSbS 2 -CuSbS 2  and Ag 2 S-Cu 2 S-Ag...
Published: 01 January 2006
) 5 SbS 4 ; lautite ( lt ), ~ (Cu,Ag)AsS; tennantite ( tnn ), ~ (Cu,Ag) 12+x As 4+y S 13 ; phase A ( A ), ~ (Cu,Ag) 24 As 12 S 30 ; sinnerite ( sin ), ~ (Cu,Ag) 6 As 4 S 9 ; smithite ( smt ) ~ (Ag,Cu)AsS 2 ; trechmannite (tmt), ~ (Ag,Cu)AsS 2 ; arsenostephanite ( As-st ), ~ (Ag,Cu) 5 AsS 4 . [Used
Journal Article
Published: 01 October 2013
Mineralogical Magazine (2013) 77 (7): 3039-3046.
... ( Fig. 1 c ). Optical investigation shows that most of the guettardite in Fig. 1 b displays twinning in contrast to barikaite, in which no twinning was observed. As well as barikaite, a Zn-Hg-bearing tennantite, smithite, Sb-bearing smithite and guettardite were detected, together with two new...
FIGURES
Journal Article
Published: 01 February 2012
The Canadian Mineralogist (2012) 50 (1): 101-109.
...Fig. 5 Phase diagram of Ag 2 S-Sb 2 S 3 -As 2 S 3 pseudo-ternary system at 350°C ( Sugaki & Kitakaze 1984 , 1992 ). Abbreviations are bau: baumstarkite, stb: stibnite, mia: miargyrite, smi: smithite, pyr-pro ss: pyrargyrite-proustite solid solution, liq: liquid. ...
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