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realgar

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Journal Article
Published: 01 July 2024
American Mineralogist (2024) 109 (7): 1220–1227.
..., commonly fractured grains of several to a few tens of micrometers in the brecciated gold ores and is paragenetically associated with the late ore-stage mineral assemblage, including realgar, orpiment, pyrite, chalcopyrite, arsenopyrite, aktashite, christite, quartz, and calcite. Zhengminghuaite is opaque...
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First thumbnail for: Zhengminghuaite, Cu 6 Fe 3 As 4 S 12 , a new sulfo...
Second thumbnail for: Zhengminghuaite, Cu 6 Fe 3 As 4 S 12 , a new sulfo...
Third thumbnail for: Zhengminghuaite, Cu 6 Fe 3 As 4 S 12 , a new sulfo...
Journal Article
Published: 24 May 2024
Mineralogical Magazine (2024) 88 (4): 503–509.
... indicating the sampling site below the cliff, looking to the East. (c) Photograph showing the sampling site by looking W towards the westernmost cliff (taken in 2014). Markwelchite is associated with stibnite, twinnite, guettardite, pierrotite, realgar and protochabournéite ( Fig. 2 ), the latter...
FIGURES
First thumbnail for: Markwelchite, TlPbSbS 3 , a new Tl–Pb sulfosalt fr...
Second thumbnail for: Markwelchite, TlPbSbS 3 , a new Tl–Pb sulfosalt fr...
Third thumbnail for: Markwelchite, TlPbSbS 3 , a new Tl–Pb sulfosalt fr...
Journal Article
Published: 29 July 2023
The Canadian Journal of Mineralogy and Petrology (2023) 61 (4): 787–804.
... that arsenic trioxide (As 2 O 3 ), originally deposited during the period of peak-mining emissions, has since been transformed into authigenic sulfides (interpreted to be realgar) down core from peak-mining emissions. Arsenic has also been attenuated by iron (Fe)-oxyhydroxides and roaster-generated iron oxides...
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First thumbnail for: Geogenic, Anthropogenic, and Authigenic Minerals H...
Second thumbnail for: Geogenic, Anthropogenic, and Authigenic Minerals H...
Third thumbnail for: Geogenic, Anthropogenic, and Authigenic Minerals H...
Journal Article
Published: 14 October 2022
Mineralogical Magazine (2023) 87 (1): 69–78.
... ermakovite, (NH 4 )(As 2 O 3 ) 2 Br, was discovered at the tract of Kukhi-Malik, Fan-Yagnob coal deposit, ca. 75 km N of Dushanbe, Tajikistan. Ermakovite is a fumarolic mineral formed directly from gas from a natural underground coal fire. Associated minerals are sulfur, realgar, amorphous As-sulfides...
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First thumbnail for: Ermakovite (NH 4 )(As 2 O 3 ) 2 Br, a new exhalati...
Second thumbnail for: Ermakovite (NH 4 )(As 2 O 3 ) 2 Br, a new exhalati...
Third thumbnail for: Ermakovite (NH 4 )(As 2 O 3 ) 2 Br, a new exhalati...
Journal Article
Journal: Economic Geology
Published: 01 June 2022
Economic Geology (2022) 117 (4): 905–922.
... Gold zone Drill hole/depth Sample description Relationship with mineralized zone Elemental map Microscale characteristics Figure/reference RKA-17-65 Conrad OS-12-134 475.1 m Irregular calcite-realgar vein in brecciated limestone; blocky calcite Part of a mineralized interval (6.06 ppm Au...
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First thumbnail for: U-Pb VEIN CALCITE DATING REVEALS THE AGE OF CARLIN...
Second thumbnail for: U-Pb VEIN CALCITE DATING REVEALS THE AGE OF CARLIN...
Third thumbnail for: U-Pb VEIN CALCITE DATING REVEALS THE AGE OF CARLIN...
Journal Article
Published: 01 June 2022
American Mineralogist (2022) 107 (6): 1164–1173.
... and dolomite and cemented by orpiment, pyrite, realgar, stibnite, and minor baryte and quartz. It belongs to the latest phases among sulfosalts (chiefly Tl-As-Sb ones) present in the ore. The empirical formula (based on the sum of all atoms = 23 pfu) is Tl 0.99 As 5.29 Sb 3.77 S 12.95 . The Raman spectrum...
FIGURES
First thumbnail for: Gungerite, TlAs 5 Sb 4 S 13 , a new thallium sulfo...
Second thumbnail for: Gungerite, TlAs 5 Sb 4 S 13 , a new thallium sulfo...
Third thumbnail for: Gungerite, TlAs 5 Sb 4 S 13 , a new thallium sulfo...
Journal Article
Journal: Geology
Published: 24 March 2022
Geology (2022) 50 (6): 660–664.
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First thumbnail for: Nanoscale isotopic evidence resolves origins of gi...
Second thumbnail for: Nanoscale isotopic evidence resolves origins of gi...
Third thumbnail for: Nanoscale isotopic evidence resolves origins of gi...
Journal Article
Published: 27 April 2020
Mineralogical Magazine (2020) 84 (3): 477–484.
..., calcite, claudetite, ferrinatrite, gajardoite-3 R , leiteite, magnesiocopiapite, phosphosiderite, pyrite, realgar and talmessite and formed from the oxidation of As-bearing primary phases and alteration by saline fluids derived from evaporating meteoric water under hyperarid conditions. Cuyaite occurs...
FIGURES
First thumbnail for: Cuyaite, Ca 2 Mn 3+ As 3+ 14 O 24 Cl, a new minera...
Second thumbnail for: Cuyaite, Ca 2 Mn 3+ As 3+ 14 O 24 Cl, a new minera...
Third thumbnail for: Cuyaite, Ca 2 Mn 3+ As 3+ 14 O 24 Cl, a new minera...
Journal Article
Published: 27 April 2020
Mineralogical Magazine (2020) 84 (3): 420–434.
...Tingting Yue; Shu Chen; Jing Liu Abstract Arsenopyrite (FeAsS) and realgar (As 4 S 4 ) are two common arsenic minerals that often cause serious environmental issues. Centralised treatment of arsenic-containing tailings can reduce land occupation and save management costs. The current work examined...
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First thumbnail for: In situ remediation of arsenic-rich mine tailings ...
Second thumbnail for: In situ remediation of arsenic-rich mine tailings ...
Third thumbnail for: In situ remediation of arsenic-rich mine tailings ...
Journal Article
Published: 16 May 2019
The Canadian Mineralogist (2019) 57 (3): 403–423.
...Tamara Đorđević; Uwe Kolitsch; Todor Serafimovski; Goran Tasev; Nathalie Tepe; Michael Stöger-Pollach; Thilo Hofmann; Blažo Boev Abstract In the Lojane area (North Macedonia) ores of Sb (stibnite), As (realgar), and Cr (chromite) were mined and processed in a metallurgical plant until 1979. Over...
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First thumbnail for: Mineralogy and Weathering of <span class="search-h...
Second thumbnail for: Mineralogy and Weathering of <span class="search-h...
Third thumbnail for: Mineralogy and Weathering of <span class="search-h...
Series: Reviews in Economic Geology
Published: 01 January 2018
DOI: 10.5382/rev.20.10
EISBN: 9781629491189
... Triassic marble with realgar 3.3 16.1 This study Adit River Late calcite with stibnite 4.7 13.5 This study S2 Late calcite 0.7 10.4 This study 5NE 1/4 Late calcite within marble –8.6 –4.5 This study CD-7 orp Fluid inclusions in orpiment 4.3 9.0 This study SM-Adit bar...
Journal Article
Published: 30 November 2017
The Canadian Mineralogist (2017) 55 (6): 1009–1025.
..., orange-yellow sediment at the redox boundary above the water table containing realgar, an unidentified As-S compound, and a magnesium (Mg)-arsenate phase; Facies (IV) structureless, As-poor, pale brown sediment composed of diatom frustules; and Facies (V) algal-rich surface sediment containing hörnesite...
FIGURES
First thumbnail for: <span class="search-highlight">Realgar</span> and ...
Second thumbnail for: <span class="search-highlight">Realgar</span> and ...
Third thumbnail for: <span class="search-highlight">Realgar</span> and ...
Journal Article
Published: 01 October 2015
Mineralogical Magazine (2015) 79 (5): 1089–1098.
... μm, associated with dufrénoysite, hatchite, realgar and baryte. Minimum and maximum reflectance data for COM wavelengths in air are [λ (nm): R (%)]: 471.1: 25.8/27.1; 548.3: 25.2/26.6; 586.6: 24.6/25.8; 652.3: 23.9/24.8. Electron microprobe analyses give (wt.%): Cu 2.01(6), Ag 8.50(16), Zn 10.94(20...
FIGURES
First thumbnail for: Ralphcannonite, AgZn 2 TlAs 2 S 6 , a new mineral ...
Second thumbnail for: Ralphcannonite, AgZn 2 TlAs 2 S 6 , a new mineral ...
Third thumbnail for: Ralphcannonite, AgZn 2 TlAs 2 S 6 , a new mineral ...
Journal Article
Published: 01 June 2015
Mineralogical Magazine (2015) 79 (3): 687–694.
...L. Bindi; F. Nestola; S. Graeser; P. Tropper; T. Raber Abstract Eckerite, ideally Ag 2 CuAsS 3 , is a new mineral from the Lengenbach quarry in the Binn Valley, Valais, Switzerland. It occurs as very rare euhedral crystals up to 300 μm across associated with realgar, sinnerite, hatchite...
FIGURES
First thumbnail for: Eckerite, Ag 2 CuAsS 3 , a new Cu-bearing sulfosal...
Second thumbnail for: Eckerite, Ag 2 CuAsS 3 , a new Cu-bearing sulfosal...
Journal Article
Published: 01 May 2015
American Mineralogist (2015) 100 (5-6): 1222–1229.
...Giovanni Pratesi; Matteo Zoppi Abstract The light-induced alteration of realgar and β-As 4 S 4 is a well-known phenomenon but still displays interesting aspects not completely explained. In the transformation from realgar to pararealgar the molecule As 4 S 4 undergoes a structural modification...
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First thumbnail for: An insight into the inverse transformation of <spa...
Second thumbnail for: An insight into the inverse transformation of <spa...
Third thumbnail for: An insight into the inverse transformation of <spa...
Journal Article
Published: 01 February 2015
Mineralogical Magazine (2015) 79 (1): 121–131.
... crystals up to 100 μm across associated with realgar, sulfur, wakabayashilite, alacránite, non-stoichiometric As 4 S 4+ x sulfides and stibnite in a calcite matrix. In thick section, bonazziite is opaque with a resinous lustre and a dark-orange streak. It is brittle; the Vickers hardness (VHN 15 ) is 70 kg...
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First thumbnail for: From ancient pigments to modern optoelectronic app...
Second thumbnail for: From ancient pigments to modern optoelectronic app...
Third thumbnail for: From ancient pigments to modern optoelectronic app...
Journal Article
Published: 01 February 2014
Mineralogical Magazine (2014) 78 (1): 1–9.
...L. Bindi; F. Nestola; E. Makovicky; A. Guastoni; L. De Battisti Abstract Philrothite, ideally TlAs 3 S 5 , 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...
FIGURES
First thumbnail for: Tl-bearing sulfosalt from the Lengenbach quarry, B...
Second thumbnail for: Tl-bearing sulfosalt from the Lengenbach quarry, B...
Third thumbnail for: Tl-bearing sulfosalt from the Lengenbach quarry, B...
Journal Article
Published: 01 October 2013
Mineralogical Magazine (2013) 77 (7): 3039–3046.
... and baryte ores. These fractures house veinlets that contain a number of Ag-As-Sb-Pb-rich sulfosalts, tetrahedrite-tennantite, realgar, pyrite and electrum. Barikaite appears as inclusions in guettardite. The mineral is opaque, greyish black with a metallic lustre; it is brittle without any discernible...
FIGURES
First thumbnail for: Barikaite, Pb 10 Ag 3 (Sb 8 As 11 ) Σ19 S 40 , a n...
Second thumbnail for: Barikaite, Pb 10 Ag 3 (Sb 8 As 11 ) Σ19 S 40 , a n...
Journal Article
Published: 01 June 2013
The Canadian Mineralogist (2013) 51 (3): 475–494.
... Stazzema (Apuan Alps, Tuscany, Italy). It occurs as compact masses associated with barite, boscardinite, calcite, cymrite, dolomite, pyrite, realgar, routhierite, sphalerite, and stibnite. Protochabournéite is metallic black. Minimum and maximum reflectance data for COM wavelength are [λ (nm): R air...
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First thumbnail for: LEAD-ANTIMONY SULFOSALTS FROM TUSCANY (ITALY). XII...
Second thumbnail for: LEAD-ANTIMONY SULFOSALTS FROM TUSCANY (ITALY). XII...
Third thumbnail for: LEAD-ANTIMONY SULFOSALTS FROM TUSCANY (ITALY). XII...
Journal Article
Published: 01 October 2012
Mineralogical Magazine (2012) 76 (5): 1153–1163.
... smithite, realgar, hatchite and probable trechmannite, edenharterite, jentschite and two unidentified sulfosalts. Raberite is opaque with a metallic lustre and has a dark brown–red streak. It is brittle with a Vickers hardness (VHN 10 ) of 52 kg mm −2 (range 50–55) corresponding to a Mohs hardness of 2½–3...
FIGURES
First thumbnail for: Raberite, Tl 5 Ag 4 As 6 SbS 15 , a new Tl-bearing...
Second thumbnail for: Raberite, Tl 5 Ag 4 As 6 SbS 15 , a new Tl-bearing...
Third thumbnail for: Raberite, Tl 5 Ag 4 As 6 SbS 15 , a new Tl-bearing...