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bradaczekite

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Journal Article
Published: 01 August 2001
The Canadian Mineralogist (2001) 39 (4): 1115–1119.
...Stanislav K. Filatov; Lidiya P. Vergasova; Marina G. Gorskaya; Sergey V. Krivovichev; Peter C. Burns; Vladimir V. Ananiev Abstract Bradaczekite, NaCu 4 (AsO 4 ) 3 , was discovered in a fumarole in the North Breach of the Great fissure Tolbachik eruption (GFTE) in 1975–1976, Kamchatka Peninsula...
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CHEMICAL COMPOSITION OF <span class="search-highlight">BRADACZEKITE</span>
Published: 01 August 2001
TABLE 1. CHEMICAL COMPOSITION OF BRADACZEKITE
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X-RAY POWDER-DIFFRACTION DATA FOR <span class="search-highlight">BRADACZEKITE</span>
Published: 01 August 2001
TABLE 2. X-RAY POWDER-DIFFRACTION DATA FOR BRADACZEKITE
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SEM image of the aggregates of <span class="search-highlight">bradaczekite</span> crystals. Magnification: ~ 600×...
Published: 01 August 2001
F ig . 1. SEM image of the aggregates of bradaczekite crystals. Magnification: ~ 600×.
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Habit and crystal forms of <span class="search-highlight">bradaczekite</span>. Legend:  a  {100},  b  {010},  c  ...
Published: 01 August 2001
F ig . 2. Habit and crystal forms of bradaczekite. Legend: a {100}, b {010}, c {001}, d {110}, f {1̅31}, h {1̅11}, o {021}, p {3̅11}, r {1̅01}, s {3̅21}, v {3̅01}, w {341}, x {111}, z {1̅12}.
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Black prismatic crystals of edtollite on a crust mainly consisting of colou...
Published: 01 August 2019
Fig. 2. Black prismatic crystals of edtollite on a crust mainly consisting of colourless As-bearing orthoclase and sylvite, with blue bradaczekite. Field of view: 1.2 mm wide. Photo: I.V. Pekov and A.V. Kasatkin.
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Aggregates of small bronze-coloured prismatic crystals of alumoedtollite cl...
Published: 01 August 2019
Fig. 4. Aggregates of small bronze-coloured prismatic crystals of alumoedtollite close associated with green dmisokolovite, blue bradaczekite, black tenorite and colourless sylvite. Field of view 1.8 mm wide. Photo: I.V. Pekov and A.V. Kasatkin.
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Near-parallel intergrowths of colourless to white prismatic crystals of pha...
Published: 01 August 2017
Fig. 1. Near-parallel intergrowths of colourless to white prismatic crystals of pharmazincite with green shchurovskyite, blue bradaczekite and black, metallic tenorite crystals. Field of view width: 2.1 mm. Photo: I.V. Pekov and A.V. Kasatkin.
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Crystal crusts of pale green yurmarinite (1) with yellowish-greenish hatert...
Published: 01 August 2014
F ig . 2. Crystal crusts of pale green yurmarinite (1) with yellowish-greenish hatertite (2) and blue bradaczekite (3) on volcanic scoria. Field of view: 5.4 mm. Photo: I.V. Pekov and A.V. Kasatkin.
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Colourless acicular crystals of katiarsite (marked with arrows) closely ass...
Published: 01 June 2016
Fig. 1. Colourless acicular crystals of katiarsite (marked with arrows) closely associated with green hatertite and blue bradaczekite in cavities of basalt scoria (red-brownish) partially altered by fumarolic gas to massive aggregates of As-bearing orthoclase (colourless). FOV 2.15 mm. Photo: I.V
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Black crystals of melanarsite associated with bright green dmisokolovite, o...
Published: 01 August 2016
Fig. 1. Black crystals of melanarsite associated with bright green dmisokolovite, olive green shchurovskyite, blue bradaczekite and white As-bearing orthoclase. All these minerals form thin crusts on light-brown basalt scoria altered by fumarolic gas. Field of view: 4.4 mm. Photo: I.V. Pekov
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Association of dark olive green shchurovskyite with emerald green dmisokolo...
Published: 01 December 2015
F ig . 1. Association of dark olive green shchurovskyite with emerald green dmisokolovite, blue bradaczekite and black tenorite. They form polymineralic crusts on basalt scoria altered by fumarolic gas. On ( a ) parallel intergrowths of coarse shchurovskyite crystals are shown. Field of view
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Sprays and open-work radial groups of acicular crystals of pharmazincite ov...
Published: 01 August 2017
) with green shchurovskyite and blue bradaczekite. Field of view width: 4.4 mm. Photo: I.V. Pekov and A.V. Kasatkin.
Journal Article
Published: 14 January 2021
Mineralogical Magazine (2021) 85 (2): 215–223.
... of the Arsenatnaya fumarole at the Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption, Tolbachik volcano, Kamchatka, Russia. In middle zones of the fumarole, calciojohillerite is associated with hematite, tenorite, johillerite, nickenichite, bradaczekite, badalovite, tilasite...
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Journal Article
Published: 22 May 2020
Mineralogical Magazine (2020) 84 (4): 616–622.
... cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption, Tolbachik volcano, Kamchatka, Russia. It is associated with hematite, tenorite, cassiterite, johillerite, nickenichite, calciojohillerite, bradaczekite, metathénardite, aphthitalite, langbeinite, calciolangbeinite, sanidine...
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Journal Article
Published: 30 April 2020
Mineralogical Magazine (2020) 84 (4): 563–567.
... of the Great Tolbachik Fissure Eruption (1975–1976), Tolbachik volcano, Kamchatka Peninsula, Russia. Glikinite is associated closely with langbeinite, lammerite-β, bradaczekite, euchlorine, anhydrite, chalcocyanite and tenorite. It is monoclinic, P 2 1 /m , a = 7.298(18), b = 6.588(11), c = 7.840(12) Å, β...
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Journal Article
Published: 01 August 2019
Mineralogical Magazine (2019) 83 (4): 485–495.
...Fig. 2. Black prismatic crystals of edtollite on a crust mainly consisting of colourless As-bearing orthoclase and sylvite, with blue bradaczekite. Field of view: 1.2 mm wide. Photo: I.V. Pekov and A.V. Kasatkin. ...
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Journal Article
Published: 01 January 2019
European Journal of Mineralogy (2019) 31 (1): 159–166.
..., urusovite, bradaczekite, filatovite, hatertite, hematite, tenorite and wrightite. The mineral is named in honour of the Russian scholar Dr. Nina Aleksandrovna Ozerova (1930–2012), for her contributions to geochemistry, geology, metallogeny, ecology and the eco-geochemistry of mercury. Powder X-ray...
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Journal Article
Published: 04 July 2018
Mineralogical Magazine (2019) 83 (3): 453–458.
... fumarole at the Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption, Tolbachik volcano, Kamchatka, Russia. It is associated with orthoclase, tenorite, hematite, johillerite, bradaczekite, badalovite, calciojohillerite, arsmirandite, tilasite, svabite, cassiterite...
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Journal Article
Published: 31 March 2018
The Canadian Mineralogist (2018) 56 (2): 189–201.
... of the mineral. Johillerite forms a continuous solid-solution system with badalovite, Na 2 Mg 2 Fe 3+ (AsO 4 ) 3 , and nickenichite, Na(□,Cu)(□,Ca)(Mg,Fe) 3 (AsO 4 ) 3 , and a discontinuous solid solution with bradaczekite, NaCu 4 (AsO 4 ) 3 . The major substitution schemes are: (1) M Mg = M Cu 2+ ; (2) A Cu 2...
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