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fluorellestadite

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Journal Article
Published: 01 February 2003
Mineralogical Magazine (2003) 67 (1): 61–72.
... 23 08 2002 29 11 2002 © The Mineralogical Society 2003 britholite fluorellestadite fluorapatite metasomatism experimental LREE I n nature, high-grade fluid-triggered metasomatism of fluorapatite [Ca 10 (PO 4 ) 6 F 2 ] in metamorphic rocks can initiate the leaching...
FIGURES | View All (8)
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Inclusions of fluorchegemite (Fch) and <span class="search-highlight">fluorellestadite</span> (Ell) in kumtyubeit...
Published: 16 September 2015
F ig . 3. Inclusions of fluorchegemite (Fch) and fluorellestadite (Ell) in kumtyubeite (Kmt).
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Porous zones in larnite-ye'elimite rocks, in which coarsening of larnite, y...
Published: 01 October 2015
F ig . 3. Porous zones in larnite-ye'elimite rocks, in which coarsening of larnite, ye'elimite and fluorellestadite grains is observed. These zones also contain nabimusaite, jasmundite and ternesite. Nmb = nabimusaite, Ell = fluorellestadite, Lar = larnite, Brm = brownmillerite, Trn = ternesite
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BSE images of (Ca,Cd)O and associated minerals. ( a ) a fragment of typical...
Published: 01 January 2016
Figure 4 BSE images of (Ca,Cd)O and associated minerals. ( a ) a fragment of typical Zn- and Cd-rich spurrite-fluorellestadite marble with a nest of tululite and (Ca,Cd)O grains, sample TH-72; ( b ) fluorapatite, brownmillerite and fluormayenite from a rock fragment leached by diluted HAc, sample
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Morphology of ternesite metacrysts (lighter) in cathodoluminescence (A–D, F...
Published: 01 March 2016
Fig. 6 Morphology of ternesite metacrysts (lighter) in cathodoluminescence (A–D, F) and BSE (E) images: A Jabel Harmun, B West Har Parsa, C Jabel Harmun (specimen shown in Fig. 4D ); D–F Nabi Musa: D – spherulites of ternesite; E, F replacement front of fluorellestadite by ternesite. Lrn
Journal Article
Published: 01 November 2015
Russ. Geol. Geophys. (2015) 56 (11): 1603–1621.
...V.V. Sharygin Abstract Three minerals of the mayenite supergroup have been found in fluorellestadite-bearing metacarbonate rock (former fragment of petrified wood of ankeritic composition) from the dump at the Baturinskaya-Vostochnaya-1-2 mine. These are eltyubyuite Ca 12 Fe 10 3+ Si 4 O 32 Cl 6...
FIGURES | View All (8)
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(A) black (steel-grey) long prismatic wernerkrauseite crystals in altered x...
Published: 01 May 2016
Fig. 1 (A) black (steel-grey) long prismatic wernerkrauseite crystals in altered xenolith, photograph of Fred Kruijen; (B) wernerkrauseite crystals in a groundmass of hydrosilicates (jennite-like), ettringite with relics of fluorellestadite, the crystal magnified in Fig. 1C is shown in frame
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( a ) Dargaite is confined to linear porous zones in larnite rock, in which...
Published: 01 February 2019
Fig. 1. ( a ) Dargaite is confined to linear porous zones in larnite rock, in which nabimusaite and gazeevite also occur, in the holotype specimen, Nahal Darga. The white frame shows the location magnified in Fig. 1b ; ( b ) dargaite aggregates replace fluorellestadite and partially larnite; ( c
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BSE images showing the proportions of opaque and silicate minerals in metac...
Published: 01 November 2015
Fig. 1. BSE images showing the proportions of opaque and silicate minerals in metacabonate rock from spoil heap of the Baturinskaya-Vostochnaya-1-2 mine, Emanzhelinsk, and selected regions of rock. Ore, Opaque aggregates; La, larnite; Cus, cuspidine; Ell, fluorellestadite; Ap, fluorapatite; Rnd
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Ternesite metacrysts from Har Parsa.  A ,  B  Metacrysts in fine-grained la...
Published: 01 March 2016
Fig. 5 Ternesite metacrysts from Har Parsa. A , B Metacrysts in fine-grained larnite–ye’elimite rock, transmitted light, parallel and crossed nicols, respectively; C ternesite in fine-grained, porous larnite–fluorellestadite rock, minerals have similar grey colour in BSE image; D – F BSE
Journal Article
Published: 08 July 2015
The Canadian Mineralogist (2015) 53 (1): 61–82.
... minerals (calcium uranates). The Ca-U(VI) oxides are associated with typical pyrometamorphic minerals, such as sulfate-bearing fluorapatite, fluorellestadite, spurrite, fluormayenite, dorrite, brownmillerite, srebrodolskite, periclase (Zn-, Ni-, Co-, and Cu-rich), lime, and U-rich lakargiite. The primary...
FIGURES | View All (6)
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Periphery of ferrite aggregation filled by calciolangbeinite with aphtitali...
Published: 01 May 2014
Figure 6 Periphery of ferrite aggregation filled by calciolangbeinite with aphtitalite exsolution. Magnified fluorellestadite crystal is shown in inset.
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Backscattered electron images of chlorkyuygenite in altered xenolith of the...
Published: 01 January 2015
Fig. 1 Backscattered electron images of chlorkyuygenite in altered xenolith of the Upper Chegem Caldera, Northern Caucasus. A Rounded crystal of chlorkyuygenite and their aggregates in chegemite with larnite, fluorellestadite, spurrite and galuskinite inclusions; B relatively big crystals
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( a ) Typical view of altered flamite rock, in which oval inclusions of old...
Published: 01 October 2017
) brownmillerite crystallized in eutectic intergrowths on the boundary of flamite and fluormayenite. ( c ) Thin rims of dzierżanowskite on oldhamite. ( d ) Oval segregation of dzierżanowskite with oldhamite relics, chalcocite external thin rim, fluorellestadite and the Na-analogue of murunskite inclusions. ( e
Journal Article
Published: 01 February 1982
American Mineralogist (1982) 67 (1-2): 90–96.
...” and “wilkeite”, respectively, by previous workers. “Ellestadite” is actually a solid solution involving the end-members Ca 10 (SiO 4 ) 3 (SO 4 ) 3 Z 2 , where Z = OH (hydroxylellestadite), F (fluorellestadite), or Cl (chlorellestadite). The term ellestadite is redefined to make it a group name for all...
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Nabimusaite in larnite pyrometamorphic rock. Nmb = nabimusaite, Ell = fluor...
Published: 01 October 2015
F ig . 1. Nabimusaite in larnite pyrometamorphic rock. Nmb = nabimusaite, Ell = fluorellestadite, Lrn = larnite, Brm = brownmillerite. ( a ) Polarized light, ( b ) crossed polarizers.
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Raman spectra of gazeevite from Jabel Harmun (JBB11a, JB8), West Parsa (ZP4...
Published: 01 June 2017
Fig. 4. Raman spectra of gazeevite from Jabel Harmun (JBB11a, JB8), West Parsa (ZP4A), Nahal Darga (DR5D), Shadil Khokh (U11), and chlorine-bearing fluorellestadite (U11).
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( a ) High-potassium gazeevite replacing nabimusaite. ( b ) High-phosphorus...
Published: 01 June 2017
Fig. 6. ( a ) High-potassium gazeevite replacing nabimusaite. ( b ) High-phosphorus gazeevite in larnite rock, BSE. Gzv = gazeevite, Nbm = nabimusaite, Ell = fluorellestadite, Fmn = fluormayenite, Fkg = fluorkyuygenite, Lrn = larnite, Brm = brownmillerite, Yel = ye'elimite.
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Ternesite replacing flamite in decomposition products of the flamite–larnit...
Published: 01 March 2016
Fig. 8 Ternesite replacing flamite in decomposition products of the flamite–larnite solid solution: A BSE image, B cathodoluminescence image. Lrn – larnite, May – fluormayenite–fluorkyuygenite, Jsm – jasmundite, Ell- fluorellestadite, Brm – brownmillerite, Trn – ternesite, Nbm – nabimusaite.
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A Fragment of larnite ‘pebble’ rich in calciolangbeinite and barite with ca...
Published: 01 March 2016
Fig. 7 A Fragment of larnite ‘pebble’ rich in calciolangbeinite and barite with cavities after gaseous inclusions in calciolangbeinite; B ternesite crystals in cavity with dissolved calciolangbeinite. Lrn – larnite, Ye – ye’elimite, Brt – barite, Ell- fluorellestadite, Mgf – magnesioferrite, Trn