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![In situ high-temperature synchrotron XRD patterns of a xuite-bearing sample...]()
![The crystal structure of Ibm 2 <span class="search-highlight">brownmillerite</span> ( Colville and Geller 1971 )...]()
![( a ) Poikilitic crystals of vorlanite in larnite-<span class="search-highlight">brownmillerite</span>-ye’elimite...]()
![Comparison of <span class="search-highlight">brownmillerite</span> structure Pnma and I2mb (from Raab 2010 )...]()
![SEM micrograph of <span class="search-highlight">brownmillerite</span>.]()
![REPRESENTATIVE CHEMICAL COMPOSITIONS OF <span class="search-highlight">BROWNMILLERITE</span> AND FERROAN PERICLAS...]()
![Relations between the minerals of the perovskite-<span class="search-highlight">brownmillerite</span> series and ...]()
![Comparison of intensities and 2θ of X-ray powder patterns of solid solution...]()
![( a ) Typical view of altered flamite rock, in which oval inclusions of old...]()
![BSE images of (Ca,Cd)O and associated minerals. ( a ) a fragment of typical...]()
![One of the largest segregations of dzierżanowskite in holotype specimen MII...]()
![( a ) Jasmundite rock outcrop on the south slope of the Jabel Harmun, where...]()
![Nabimusaite in larnite pyrometamorphic rock. Nmb = nabimusaite, Ell = fluor...]()
![Phase relations in the pseudoternary system Ca 2 Fe 2 O 5 -Ca 2 Mn 2 O 5 -C...]()
![Compositional variations of the Hatrurim Basin <span class="search-highlight">brownmillerites</span> in compariso...]()
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brownmillerite
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Journal Article
Minerals of the pseudobinary perovskite-brownmillerite series from combustion metamorphic larnite rocks of the Hatrurim Formation ( Israel )
Journal: Russian Geology and Geophysics
Publisher: Novosibirsk State University
Published: 01 October 2008
Russ. Geol. Geophys. (2008) 49 (10): 709–726.
...V.V. Sharygin; E.V. Sokol; Ye. Vapnik Abstract Brownmillerite, Fe-perovskite, and two intermediate phases (Ca 3 Ti(Fe,Al) 2 O 8 and Ca 5 Ti(Fe,Al) 4 O 13 ) were found in combustion metamorphic high-temperature larnite rocks of the Hatrurim Basin, Israel. This is the first finding evidencing...
FIGURES
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Journal Article
Structural variations in the brownmillerite series Ca 2 (Fe 2− x Al x )O 5 : Single-crystal X-ray diffraction at 25 °C and high-temperature X-ray powder diffraction (25 °C ≤ T ≤ 1000 °C)
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 February 2004
American Mineralogist (2004) 89 (2-3): 405–420.
.... * E-mail: [email protected] 17 09 2003 27 05 2003 © 2004 American Mineralogist 2004 Brownmillerite, Ca 2 AlFeO 5 , oxide composition 4CaO·Al 2 O 3 ·Fe 2 O 3 (C4AF in the nomenclature of cement chemistry), is one of the four most common components of ordinary...
FIGURES
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Journal Article
Rietveld analysis of dicalcium aluminate (Ca 2 Al 2 O 5 )—A new high pressure phase with the Brownmillerite-type structure
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 July 2000
American Mineralogist (2000) 85 (7-8): 1061–1065.
... calc = 3.481 g/cm 3 ), and belongs to the brownmillerite structure family. Main building units are (1) layers of perovskite type corner connected AlO 6 -octahedra perpendicular to [010], and (2) zweier single chains of AlO 4 -tetrahedra running parallel [100]. The alternate stacking of the layers...
FIGURES
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Image
In situ high-temperature synchrotron XRD patterns of a xuite-bearing sample...
in Xuite, Ca 3 Fe 2 [(Al,Fe)O 3 (OH)] 3 , a new mineral of the garnet group: Implications for the wide occurrence of nanominerals
> American Mineralogist
Published: 01 May 2022
Figure 8. In situ high-temperature synchrotron XRD patterns of a xuite-bearing sample (Idaho) from 21 to 451 °C. Some un-overlapped diffraction peaks of xuite clearly show that the decomposition of xuite starts from ~236 °C and ends at ~396 °C. Brownmillerite [Ca 2 (Fe 3+ ,Al)O 5 ] appears
Image
The crystal structure of Ibm 2 brownmillerite ( Colville and Geller 1971 )...
in Nomenclature of the perovskite supergroup: A hierarchical system of classification based on crystal structure and composition
> Mineralogical Magazine
Published: 01 June 2017
Fig. 31. The crystal structure of Ibm 2 brownmillerite ( Colville and Geller 1971 ) projected along [001] illustrating the stacking sequence of the octahedral (O) and tetrahedral (T, T′) layers.
Image
( a ) Poikilitic crystals of vorlanite in larnite-brownmillerite-ye’elimite...
in Vorlanite, (CaU 6+ )O 4 , from Jabel Harmun, Palestinian Autonomy, Israel
> American Mineralogist
Published: 01 November 2013
Figure 1 ( a ) Poikilitic crystals of vorlanite in larnite-brownmillerite-ye’elimite-mayenite rock. Magnified crystal in b and c is framed. Oldhamite, CaS, phosphoresces under the electron beam. Fragments of the second crystal of vorlanite at the bottom on the right of the BSE image were used
Image
Comparison of brownmillerite structure Pnma and I2mb (from Raab 2010 )...
in Calcium Aluminate Cements – Raw Materials, Differences, Hydration and Properties
> Reviews in Mineralogy and Geochemistry
Published: 01 January 2012
Figure 37 Comparison of brownmillerite structure Pnma and I2mb (from Raab 2010 ).
Image
SEM micrograph of brownmillerite.
in Calcium Aluminate Cements – Raw Materials, Differences, Hydration and Properties
> Reviews in Mineralogy and Geochemistry
Published: 01 January 2012
Figure 39 SEM micrograph of brownmillerite.
Image
REPRESENTATIVE CHEMICAL COMPOSITIONS OF BROWNMILLERITE AND FERROAN PERICLAS...
in THE MINERALOGY AND WEATHERING OF SLAG PRODUCED BY THE SMELTING OF LATERITIC Ni ORES, SZKLARY, SOUTHWESTERN POLAND
> The Canadian Mineralogist
Published: 01 June 2009
TABLE 7. REPRESENTATIVE CHEMICAL COMPOSITIONS OF BROWNMILLERITE AND FERROAN PERICLASE FROM SZKLARY
Image
Relations between the minerals of the perovskite-brownmillerite series and ...
in Minerals of the pseudobinary perovskite-brownmillerite series from combustion metamorphic larnite rocks of the Hatrurim Formation ( Israel )
> Russian Geology and Geophysics
Published: 01 October 2008
Fig. 2. Relations between the minerals of the perovskite-brownmillerite series and their relations with other phases of larnite rocks (Hatrurim Basin, Israel); BSE images. M4-218, M5-32, and M4-251 — type A ; M5-31 and H-201 — type B .
Image
Comparison of intensities and 2θ of X-ray powder patterns of solid solution...
in Calcium Aluminate Cements – Raw Materials, Differences, Hydration and Properties
> Reviews in Mineralogy and Geochemistry
Published: 01 January 2012
Figure 38 Comparison of intensities and 2θ of X-ray powder patterns of solid solution between iron-rich and aluminium rich brownmillerites. Image 1 brownmillerite iron rich and aluminium rich solid solution composition. Image 2 brownmillerite and iron-rich solid solutions. Image 3 different
Image
( a ) Typical view of altered flamite rock, in which oval inclusions of old...
in Dzierżanowskite, CaCu 2 S 2 – a new natural thiocuprate from Jabel Harmun, Judean Desert, Palestine Autonomy, Israel
> Mineralogical Magazine
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
Image
BSE images of (Ca,Cd)O and associated minerals. ( a ) a fragment of typical...
in Intermediate members of the lime-monteponite solid solutions (Ca 1−x Cd x O, x = 0.36–0.55): Discovery in natural occurrence
> American Mineralogist
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
Image
One of the largest segregations of dzierżanowskite in holotype specimen MII...
in Dzierżanowskite, CaCu 2 S 2 – a new natural thiocuprate from Jabel Harmun, Judean Desert, Palestine Autonomy, Israel
> Mineralogical Magazine
Published: 01 October 2017
in it; brownmillerite shows red internal reflexes. Dzr = dzierżanowskite, Cct = chalcocite, Lrn = larnite, Brm = brownmillerite, Yel = ye'elimite.
Journal Article
Mariakrite, [Ca 4 Al 2 (OH) 12 (H 2 O) 4 ][Fe 2 S 4 ], a new mineral, the first layered double hydroxide intercalated with dithioferrate (iron disulfide) chains
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 29 January 2025
American Mineralogist (2025)
... confined to pyrometamorphic lithologies of the Hatrurim Formation, in the Negev Desert on the Israeli side of the Dead Sea. The mineral forms saber-like crystals up to 2 mm long, 0.1 mm wide and 0.5 to 2 μm thick, residing in millimeter-sized cavities within larnite-jasmundite-brownmillerite rock...
Image
( a ) Jasmundite rock outcrop on the south slope of the Jabel Harmun, where...
in Dzierżanowskite, CaCu 2 S 2 – a new natural thiocuprate from Jabel Harmun, Judean Desert, Palestine Autonomy, Israel
> Mineralogical Magazine
Published: 01 October 2017
Fig. 3. ( a ) Jasmundite rock outcrop on the south slope of the Jabel Harmun, where dzierżanowskite was found. ( b ) Dark-green jasmundite crystals form chain-like aggregates along fissures in altered flamite rock; brownmillerite rims (red) are visible on flamite grains (yellow). ( c ) Altered
Image
Nabimusaite in larnite pyrometamorphic rock. Nmb = nabimusaite, Ell = fluor...
in New minerals with a modular structure derived from hatrurite from the pyrometamorphic Hatrurim Complex. Part I. Nabimusaite, KCa 12 (SiO 4 ) 4 (SO 4 ) 2 O 2 F, from larnite rocks of Jabel Harmun, Palestinian Autonomy, Israel
> Mineralogical Magazine
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.
Image
Phase relations in the pseudoternary system Ca 2 Fe 2 O 5 -Ca 2 Mn 2 O 5 -C...
in Calcium Aluminate Cements – Raw Materials, Differences, Hydration and Properties
> Reviews in Mineralogy and Geochemistry
Published: 01 January 2012
Figure 41 Phase relations in the pseudoternary system Ca 2 Fe 2 O 5 -Ca 2 Mn 2 O 5 -Ca 2 Al 2 O 5 (after Zötzl and Pöllmann 2007a , b ,c). In partial A, coexisting phases include C 2 F, C 6 A 2 F, C 6 A 2 Mn, C 4 AMn, C 6 A 0.5 F 2 Mn 0.5 , C 2 F 0.83 Mn 0.17 . In partial B, brownmillerite, C
Image
Compositional variations of the Hatrurim Basin brownmillerites in compariso...
in Minerals of the pseudobinary perovskite-brownmillerite series from combustion metamorphic larnite rocks of the Hatrurim Formation ( Israel )
> Russian Geology and Geophysics
Published: 01 October 2008
Fig. 4. Compositional variations of the Hatrurim Basin brownmillerites in comparison with brownmillerites from other occurrences and Portland-cement clinkers. 1–3 — Hatrurim Basin, Israel (our data; Gross, 1977 ; Sokol et al., 2005 ): 1 — larnite-mayenite-gehlenite and larnite-mayenite
Journal Article
Dzierżanowskite, CaCu 2 S 2 – a new natural thiocuprate from Jabel Harmun, Judean Desert, Palestine Autonomy, Israel
Journal: Mineralogical Magazine
Published: 01 October 2017
Mineralogical Magazine (2017) 81 (5): 1073–1085.
... ) 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...
FIGURES
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