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kumdykolite

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Journal Article

Low-temperature crystallization of kumdykolite, a polymorph of albite, during mineral carbonation within fluid inclusions in hornblendite from the Dabie orogen, central China

Long Zhang, Qiang Wang, Haiyang Xian, Xing Ding, Wan-Cai Li, Yiping Yang
Published: 01 November 2024
American Mineralogist (2024) 109 (11): 1995–2005.
DOI: https://doi.org/10.2138/am-2023-9169
...Long Zhang; Qiang Wang; Haiyang Xian; Xing Ding; Wan-Cai Li; Yiping Yang Abstract Kumdykolite is a polymorph of albite that has been predominantly identified within crystallized melt inclusions in high-temperature metamorphic rocks. This study reports a new occurrence of kumdykolite that formed...
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Journal Article

Kumdykolite from the ultrahigh-pressure granulite of the Bohemian Massif

Jana Kotková, Radek Škoda, Vladimír Machovič
Published: 01 August 2014
American Mineralogist (2014) 99 (8-9): 1798–1801.
DOI: https://doi.org/10.2138/am.2014.4889
...Jana Kotková; Radek Škoda; Vladimír Machovič Abstract We report the first occurrence of kumdykolite, a high-temperature analog of albite, in the European Variscan belt. It was discovered in an ultrahigh-pressure, diamond-bearing quartzofeldspathic granulite from the northern Bohemian Massif...
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Kumdykolite, a high-temperature feldspar from an enstatite chondrite

Péter Németh, Stephen W. Lehner, Michail I. Petaev, Peter R. Buseck
Published: 01 May 2013
American Mineralogist (2013) 98 (5-6): 1070–1073.
DOI: https://doi.org/10.2138/am.2013.4459
...Péter Németh; Stephen W. Lehner; Michail I. Petaev; Peter R. Buseck Abstract We report the first occurrence of kumdykolite in a meteorite (Sahara 97072, EH3). This orthorhombic form of albite occurs in the core of a concentrically zoned metal-sulfide nodule. In contrast to the terrestrial...
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Kumdykolite, an orthorhombic polymorph of albite, from the Kokchetav ultrahigh-pressure massif, Kazakhstan

Shyh-Lung Hwang, Pouyan Shen, Hao-Tsu Chu, Tzen-Fu Yui, Juhn G. Liou, Nikolay V. Sobolev
Published: 01 November 2009
European Journal of Mineralogy (2009) 21 (6): 1325–1334.
DOI: https://doi.org/10.1127/0935-1221/2009/0021-1970
...Shyh-Lung Hwang; Pouyan Shen; Hao-Tsu Chu; Tzen-Fu Yui; Juhn G. Liou; Nikolay V. Sobolev Abstract Kumdykolite, an orthorhombic polymorph of albite, has been identified for the first time by analytical electron microscopy. It occurs in association with diopside, quartz/cristobalite, phengite...
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Petrogrographic setting of <span class="search-highlight">kumdykolite</span> from EH3 chondrite SAH 97072. ( a ) ...

Petrogrographic setting of kumdykolite from EH3 chondrite SAH 97072. ( a ) ...

Published: 01 May 2013
Figure 1 Petrogrographic setting of kumdykolite from EH3 chondrite SAH 97072. ( a ) BSE image of kumdykolite and S-rich porous silica at the center of a metal-sulfide nodule ( Lehner et al. 2011 ). ( b ) Location of the FIB extraction (white rectangle). ( c ) BFTEM image of kumdykolite and porous
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Raman maps of the <span class="search-highlight">kumdykolite</span>-bearing inclusion produced by color-coding th...

Raman maps of the kumdykolite-bearing inclusion produced by color-coding th...

Published: 01 August 2014
Figure 2 Raman maps of the kumdykolite-bearing inclusion produced by color-coding the characteristic bands of individual minerals, with the intensity increasing from blue to red: ( a ) kumdykolite (492 cm −1 ), ( b ) quartz (467 cm −1 ), ( c ) phlogopite (670 cm −1 ).
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Reconstructed reciprocal-space section for <span class="search-highlight">kumdykolite</span> within a fluid inclu...

Reconstructed reciprocal-space section for kumdykolite within a fluid inclu...

Published: 01 November 2024
Figure 6. Reconstructed reciprocal-space section for kumdykolite within a fluid inclusion along ( a ) [0 kl ], ( b ) [ h 0 l ], and ( c ) [ hk 0].
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Crystal structures of Pmnn <span class="search-highlight">kumdykolite</span> and P 2 1 svyatoslavite along [0...

Crystal structures of Pmnn kumdykolite and P 2 1 svyatoslavite along [0...

Published: 01 May 2013
Figure 4 Crystal structures of Pmnn kumdykolite and P 2 1 svyatoslavite along [001]. Black rectangles outline the unit cells. The extra-framework cations (black balls) occur in split sites. ( a ) Kumdykolite in Pmnn space group has a disordered Si-Al framework as Si and Al are distributed
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Raman microprobe spectra of (a) <span class="search-highlight">kumdykolite</span> and (b) plagioclase. Additional...

Raman microprobe spectra of (a) kumdykolite and (b) plagioclase. Additional...

Published: 01 November 2009
Fig. 4. Raman microprobe spectra of (a) kumdykolite and (b) plagioclase. Additional peaks of omphacite (omp) matrix are also present in (a) and (b).
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( a ) Raman spectrum of <span class="search-highlight">kumdykolite</span>. Additional bands correspond to the hos...

( a ) Raman spectrum of kumdykolite. Additional bands correspond to the hos...

Published: 01 August 2014
Figure 3 ( a ) Raman spectrum of kumdykolite. Additional bands correspond to the host garnet (Grt) and the associated phases quartz (Qtz) and phlogopite (Phl). ( b ) Raman spectrum of albite (RRUFF database).
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BFTEM image and SAED patterns of the <span class="search-highlight">kumdykolite</span> grain (rotated clockwise 1...

BFTEM image and SAED patterns of the kumdykolite grain (rotated clockwise 1...

Published: 01 May 2013
Figure 2 BFTEM image and SAED patterns of the kumdykolite grain (rotated clockwise 110°) in the bottom center of Figure 1c . Reflections with h = 2 n + 1 along [100]*, with k = 2 n + 1 along [010]*, and with l = 2 n + 1 along [201]* and [001]* can occur because of diffraction
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BFTEM image and SAED patterns of <span class="search-highlight">kumdykolite</span> in the top center of Figure 1...

BFTEM image and SAED patterns of kumdykolite in the top center of Figure 1...

Published: 01 May 2013
Figure 3 BFTEM image and SAED patterns of kumdykolite in the top center of Figure 1c . Reflections with h = 2 n + 1 along [100]* and with k = 2 n + 1 along [010]* in SAED patterns can occur because of diffraction of dynamically scattered electrons, and are therefore not considered
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TEM bright field images showing various phase assemblages in <span class="search-highlight">kumdykolite</span> (K...

TEM bright field images showing various phase assemblages in kumdykolite (K...

Published: 01 November 2009
Fig. 2. TEM bright field images showing various phase assemblages in kumdykolite (Kdl)-bearing multiple phase inclusions within omphacite (Omp): (a) Kdl + diopside (Di) + cristobalite (Crs), (b) Kdl + phengite (Phg) + Di + Crs + calcite (Cal), (c) Kdl + Di, (d) Kdl + Di + quartz (Qtz), and (e
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SAED patterns of <span class="search-highlight">kumdykolite</span> in representative zone axes: (a) [001], (b) [0...

SAED patterns of kumdykolite in representative zone axes: (a) [001], (b) [0...

Published: 01 November 2009
Fig. 3. SAED patterns of kumdykolite in representative zone axes: (a) [001], (b) [01̅2], (c) [01̅1], (d) [01̅0], (e) [11̅0], (f) [11̅1̅], and (g) [313̅]. The systematic absence of reflections hk 0 with h + k = odd and h 0 l with h + l = odd is demonstrated in (a) and (d), respectively.
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Schematic pressure-temperature ( P - T ) loops related to the evolution of ...

Schematic pressure-temperature ( P - T ) loops related to the evolution of ...

Published: 01 August 2012
Figure 9. Schematic pressure-temperature ( P - T ) loops related to the evolution of diamondiferous quartzofeldspathic rocks from the Erzgebirge (saidenbachite: solid curve) and the Kokchetav Massif (kumdykolite: dotted curve). Solidus and liquidus curves are those of Figure 3 for KD37.
Journal Article

Melting of metasedimentary rocks at ultrahigh pressure—Insights from experiments and thermodynamic calculations

Hans-Joachim Massonne, Thomas Fockenberg
Journal: Lithosphere
Publisher: GSW
Published: 01 August 2012
Lithosphere (2012) 4 (4): 269–285.
DOI: https://doi.org/10.1130/L185.1
...Figure 9. Schematic pressure-temperature ( P - T ) loops related to the evolution of diamondiferous quartzofeldspathic rocks from the Erzgebirge (saidenbachite: solid curve) and the Kokchetav Massif (kumdykolite: dotted curve). Solidus and liquidus curves are those of Figure 3 for KD37. ...
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First evidence of dmisteinbergite (CaAl 2 Si 2 O 8 polymorph) in high-grade metamorphic rocks

Iris Wannhoff, Silvio Ferrero, Alessia Borghini, Robert Darling, Patrick J. O’Brien
Published: 01 December 2022
American Mineralogist (2022) 107 (12): 2315–2319.
DOI: https://doi.org/10.2138/am-2022-8505
... dmisteinbergite. In nanogranitoids, this phase coexists with other metastable polymorphs of feldspar (kumdykolite, kokchetavite) and SiO 2 (quartz, cristobalite), recently interpreted as the result of undercooling, supersaturation and rapid crystallization of a silicate melt confined in a micrometric pore...
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Journal Article

New Mineral Names

Glenn Poirier, Kimberly T. Tait, Ralph Rowe
Published: 01 May 2011
American Mineralogist (2011) 96 (5-6): 936–945.
DOI: https://doi.org/10.2138/am.2011.576
...-056). The holotype specimen is deposited in the Department of Geology, Natural History Museum, University of Oslo, Norway, under catalog no. 41726 (original sample designation “RK99/04”). K.T.T. S.-L. Hwang, P. Shen, H.T. Chu, T.-F. Yui, J.G. Liou, and N.V. Sobolev (2009) Kumdykolite...
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Partial melting of ultramafic granulites from Dronning Maud Land, Antarctica: Constraints from melt inclusions and thermodynamic modeling

Silvio Ferrero, Gaston Godard, Rosaria Palmeri, Bernd Wunder, Bernardo Cesare
Published: 01 April 2018
American Mineralogist (2018) 103 (4): 610–622.
DOI: https://doi.org/10.2138/am-2018-6214
... kokchetavite, kumdykolite, and phlogopite, with quartz and zoisite as minor phases, and undevitrified glass was identified in one inclusion. Type 2 inclusions are <30 μm in size, secondary, and contain amphibole, feldspars, and zoisite. Type 2 inclusions appear to be the crystallization products of a melt...
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BSE images of multiphase solid inclusions within garnet (2.3 mm in diameter...

BSE images of multiphase solid inclusions within garnet (2.3 mm in diameter...

Published: 01 August 2014
= Czoi, or anorthite = An) and accessory rutile (Rt), apatite (Apa) and pyrite. Panel e : Kumdykolite-bearing inclusion.