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rondorfite

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Image
(a) Backscattered electron (BSE) image of micrometer-sized inclusions of el...
Published: 01 May 2013
Fig. 1 (a) Backscattered electron (BSE) image of micrometer-sized inclusions of eltyubyuite and srebrodolskite (both light-grey) concentrated in external zones of rondorfite crystals. Fragment magnified in Fig. 1b is shown by frame; (b) BSE image of zoned inclusions with wadalite core
Image
A = kumtyubeite grain with “Ca-humite” inclusions; B = kumtyubeite with rou...
Published: 01 October 2009
F igure 1. A = kumtyubeite grain with “Ca-humite” inclusions; B = kumtyubeite with rounded rondorfite inclusions, black spots = products of rondorfite alteration, Ca-hydrosilicates; C = kumtyubeite associated with srebrodolskite, bultfonteinite, and Ca-hydrosilicates, and ettringite (dark gray
Image
(a) BSE image of tetrahedral crystal of eltybyuite in magnetite-magnesiofer...
Published: 01 May 2013
Fig. 2 (a) BSE image of tetrahedral crystal of eltybyuite in magnetite-magnesioferrite vein from rondorfite rock from Shadil-Khokh xenolith; (b) BSE image of pseudo-tris-octahedral crystal of mayenite-wadalite (combination of two tris-tritetrahedra {211} and {211̄}) with eltybyuite epitaxial
Image
(a) – fragment of rankinite partially replaced by rusinovite and trabzonite...
Published: 01 October 2011
Fig. 2. (a) – fragment of rankinite partially replaced by rusinovite and trabzonite. (b) – fragment of pavlovskyite pseudomorph with cuspidine rims after an early rankinite pseudomorph (after wollastonite?) in a rusinovite zone. (c) – rondorfite relics in the rusinovite zone. (d) – solitary
Image
BSE images showing the proportions of opaque and silicate minerals in metac...
Published: 01 November 2015
, rondorfite; Mg-Cus, “Mg-cuspidine”; F-Rnd, F-analog of rondorfite; Grf, “grandiferrite” CaFe 4 O 7 ; F-Elt, F-analog of eltyubyuite; Sym, cavernous aggregate formed of Ca-ferrite (“grandiferrite”) and/or “dorrite phase” and cuspidine (± anhydrite ± fluorellestadite); Hem, hematite; Mgf, magnesioferrite; Rus
Journal Article
Published: 01 November 2015
Russ. Geol. Geophys. (2015) 56 (11): 1603–1621.
..., rondorfite; Mg-Cus, “Mg-cuspidine”; F-Rnd, F-analog of rondorfite; Grf, “grandiferrite” CaFe 4 O 7 ; F-Elt, F-analog of eltyubyuite; Sym, cavernous aggregate formed of Ca-ferrite (“grandiferrite”) and/or “dorrite phase” and cuspidine (± anhydrite ± fluorellestadite); Hem, hematite; Mgf, magnesioferrite; Rus...
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Image
(A) Fragment of altered xenolith from the Shadil-Khoch volcanites. (B) Aggr...
Published: 16 September 2015
F ig . 10. (A) Fragment of altered xenolith from the Shadil-Khoch volcanites. (B) Aggregates of fluorchegemite in association with larnite (back-scattered electron picture). Fch – fluorchegemite, Lrn – larnite, Kmt – kumtyubeite, Ell – fluorellestadite, Mgf – magnesioferrite, Rnd – rondorfite
Journal Article
Published: 01 May 2013
European Journal of Mineralogy (2013) 25 (2): 221–229.
...Fig. 1 (a) Backscattered electron (BSE) image of micrometer-sized inclusions of eltyubyuite and srebrodolskite (both light-grey) concentrated in external zones of rondorfite crystals. Fragment magnified in Fig. 1b is shown by frame; (b) BSE image of zoned inclusions with wadalite core...
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Image
A: Contact of xenolith with volcanic rock (polished block): 1–volcanic rock...
Published: 01 January 2015
= cuspidine, Hcl = hydrocalumite, Wol = wollastonite, Elt = eltyubyuite, Rnd = rondorfite.
Image
Classification diagram of minerals of the reinhardbraunsite-kumtyubeite ser...
Published: 01 October 2009
F igure 6. Classification diagram of minerals of the reinhardbraunsite-kumtyubeite series: 1 = kumtyubeite from xenolith 1, holotype specimen, associated with rondorfite and spurrite; 2 = kumtyubeite from xenolith 1, associated with bultfonteinite; 3 = minerals of the reinhardbraunsite
Journal Article
Published: 16 September 2015
The Canadian Mineralogist (2015) 53 (2): 325–344.
...F ig . 10. (A) Fragment of altered xenolith from the Shadil-Khoch volcanites. (B) Aggregates of fluorchegemite in association with larnite (back-scattered electron picture). Fch – fluorchegemite, Lrn – larnite, Kmt – kumtyubeite, Ell – fluorellestadite, Mgf – magnesioferrite, Rnd – rondorfite...
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Journal Article
Published: 01 January 2015
European Journal of Mineralogy (2015) 27 (1): 113–122.
... up to 100–150μm in size are enclosed in chegemite, reinhardbraunsite and srebrodolskite. Chlorkyuygenite also forms rims on wadalite crystals. Chegemite–fluorchegemite, reinhardbraunsite–kumtyubeite, rondorfite, hydroxylellestadite, lakargiite, perovskite, kerimasite, elbrusite, ettringite-group...
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Journal Article
Published: 01 January 2015
European Journal of Mineralogy (2015) 27 (1): 137–143.
... = cuspidine, Hcl = hydrocalumite, Wol = wollastonite, Elt = eltyubyuite, Rnd = rondorfite. ...
FIGURES
Image
( a ) Elbrusite-(Zr) grains in aggregates of wadalite. ( b ) Elbrusite-(Zr)...
Published: 01 August 2010
) “Poikilitic” grain of uranian kimzeyite (xenolith no. 3). Cus = cuspidine, Elb = elbrusite, Hgr = hibschite, Lak = lakargiite, Ron = rondorfite, Kmz = kimzeyite, and Wad = wadalite.
Journal Article
Published: 01 August 2013
Mineralogical Magazine (2013) 77 (6): 2857–2866.
... magnesioferrite are associated with irinarassite in the pseudomorphs which are confined to larnite-cuspidine zones immediately adjoining the ignimbrite. Larnite, cuspidine, rondorfite, fluor- and hydroxylellestadite, fluorite and secondary minerals such as ettringite, hillebrandite and bultfonteinite...
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Journal Article
Published: 01 May 2013
European Journal of Mineralogy (2013) 25 (2): 231–239.
...+ 0.070 Sc 0.009 Nb 5+ 0.058 Hf 0.001 ) ∑2.001 (Fe 3+ 2.051 Al 0.653 Fe 2+ 0.182 Ti 4+ 0.087 Si 0.028 ) ∑3.001 O 12 . Associated minerals are kumtyubeite, cuspidine, fluorchegemite, larnite, fluorite, wadalite, rondorfite, hydroxylellestadite, perovskite, lakargiite, kerimasite, elbrusite, srebrodolskite...
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Journal Article
Published: 01 February 2013
The Canadian Mineralogist (2013) 51 (1): 171–188.
..., wadalite, fluorite, cuspidine, rondorfite, and an unnamed mineral with composition Ca 4 (Mn,Fe) 2 O 7 . The assemblages are pyrometamorphic products of a dolomite-anhydrite-gypsum protolith, at T min > 800 °C. The most probable source of halogens was organic matter. § E-mail address : jcempirek...
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Journal Article
Published: 01 November 2012
American Mineralogist (2012) 97 (11-12): 1998–2006.
... occur sparingly in zones containing bultfonteinite, hillebrandite, jennite, and chegemite, as well as rare relics of larnite and rondorfite enclosed in a matrix of hydroxylellestadite. Edgrewite and hydroxyledgrewite are largely altered to jennite in places with admixed zeophyllite and trabzonite...
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Journal Article
Published: 01 October 2011
Mineralogical Magazine (2011) 75 (5): 2563–2572.
.... Megawite is associated with spurrite, reinhardbraunsite, rondorfite, wadalite, srebrodolskite, lakargiite, perovskite, kerimasite, elbrusite-(Zr), periclase, hydroxylellestadite, hydrogrossular, ettringite-group minerals, afwillite, hydrocalumite and brucite. Megawite forms pale yellow or colourless...
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Journal Article
Published: 01 January 2011
American Mineralogist (2011) 96 (1): 188–196.
..., reinhardbraunsite, lakargiite, rondorfite, and wadalite, which are indicative of high-temperature formation (>800 °C) at shallow depth. * E-mail: evgeny.galuskin@us.edu.pl 01 08 2010 25 05 2010 © 2011 American Mineralogist 2011 Vorlanite CaUO 4 uranium skarn structure Raman...
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