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Hiromi Konishi
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Journal Article

Precipitation of low-temperature disordered dolomite induced by extracellular polymeric substances of methanogenic Archaea Methanosarcina barkeri : Implications for sedimentary dolomite formation

Fangfu Zhang, Huifang Xu, Evgenya S. Shelobolina, Hiromi Konishi, Eric E. Roden
Published: 01 January 2021
American Mineralogist (2021) 106 (1): 69–81.
DOI: https://doi.org/10.2138/am-2020-7381
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View PDF for article title, Precipitation of low-temperature disordered dolomite induced by extracellular polymeric substances of methanogenic Archaea Methanosarcina barkeri : Implications for sedimentary dolomite formation
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Journal Article

Precipitates of α-cristobalite and silicate glass in UHP clinopyroxene from a Bohemian Massif eclogite

Tina R. Hill, Hiromi Konishi, Franklin Hobbs, Seungyeol Lee, Huifang Xu
Published: 01 October 2019
American Mineralogist (2019) 104 (10): 1402–1415.
DOI: https://doi.org/10.2138/am-2019-6773
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View PDF for article title, Precipitates of α-cristobalite and silicate glass in UHP clinopyroxene from a Bohemian Massif eclogite
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Journal Article

Formation of dolomite catalyzed by sulfate-driven anaerobic oxidation of methane: Mineralogical and geochemical evidence from the northern South China Sea

Yang Lu, Xiaoming Sun, Huifang Xu, Hiromi Konishi, Zhiyong Lin, Li Xu, Tingting Chen, Xinrong Hao, Hongfeng Lu, Jörn Peckmann
Published: 01 May 2018
American Mineralogist (2018) 103 (5): 720–734.
DOI: https://doi.org/10.2138/am-2018-6226
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View PDF for article title, Formation of dolomite catalyzed by sulfate-driven anaerobic oxidation of methane: Mineralogical and geochemical evidence from the northern South China Sea
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Journal Article

Protoenstatite: A new mineral in Oregon sunstones with “watermelon” colors

Huifang Xu, Tina R. Hill, Hiromi Konishi, Gabriela Farfan
Published: 01 October 2017
American Mineralogist (2017) 102 (10): 2146–2149.
DOI: https://doi.org/10.2138/am-2017-6186
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View PDF for article title, Protoenstatite: A new mineral in Oregon sunstones with “watermelon” colors
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Journal Article

Interstratification of graphene-like carbon layers within black talc from Southeastern China: Implications to sedimentary talc formation

Chengxiang Li, Rucheng Wang, Huifang Xu, Xiancai Lu, Hiromi Konishi, Kun He
Published: 01 July 2016
American Mineralogist (2016) 101 (7): 1668–1678.
DOI: https://doi.org/10.2138/am-2016-5600
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View PDF for article title, Interstratification of graphene-like carbon layers within black talc from Southeastern China: Implications to sedimentary talc formation
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Journal Article

Natural occurrence of monoclinic Fe 3 S 4 nano-precipitates in pyrrhotite from the Sudbury ore deposit: a Z-contrast imaging and density functional theory study

Huifang Xu, Zhizhang Shen, Hiromi Konishi
Published: 01 April 2015
Mineralogical Magazine (2015) 79 (2): 377–385.
DOI: https://doi.org/10.1180/minmag.2015.079.2.15
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View PDF for article title, Natural occurrence of monoclinic Fe 3 S 4 nano-precipitates in pyrrhotite from the Sudbury ore deposit: a Z-contrast imaging and density functional theory study
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Journal Article

The catalytic effect of bound extracellular polymeric substances excreted by anaerobic microorganisms on Ca-Mg carbonate precipitation: Implications for the “dolomite problem”

Fangfu Zhang, Huifang Xu, Evgenya S. Shelobolina, Hiromi Konishi, Brandon Converse, Zhizhang Shen, Eric E. Roden
Published: 01 February 2015
American Mineralogist (2015) 100 (2-3): 483–494.
DOI: https://doi.org/10.2138/am-2015-4999
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View PDF for article title, The catalytic effect of bound extracellular polymeric substances excreted by anaerobic microorganisms on Ca-Mg carbonate precipitation: Implications for the “dolomite problem”
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Journal Article

Si-magnetite nano-precipitates in silician magnetite from banded iron formation: Z-contrast imaging and ab initio study

Huifang Xu, Zhizhang Shen, Hiromi Konishi
Published: 01 November 2014
American Mineralogist (2014) 99 (11-12): 2196–2202.
DOI: https://doi.org/10.2138/am-2014-4964
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View PDF for article title, Si-magnetite nano-precipitates in silician magnetite from banded iron formation: Z-contrast imaging and ab initio study
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Journal Article

Crystal structure of Guinier-Preston zones in orthopyroxene: Z-contrast imaging and ab inito study

Huifang Xu, Zhizhang Shen, Hiromi Konishi, Gufeng Luo
Published: 01 October 2014
American Mineralogist (2014) 99 (10): 2043–2048.
DOI: https://doi.org/10.2138/am-2014-4898
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View PDF for article title, Crystal structure of Guinier-Preston zones in orthopyroxene: Z-contrast imaging and ab inito study
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Journal Article

Z-contrast imaging and ab initio study on “ d ” superstructure in sedimentary dolomite

Zhizhang Shen, Hiromi Konishi, Izabela Szlufarska, Philip E. Brown, Huifang Xu
Published: 01 July 2014
American Mineralogist (2014) 99 (7): 1413–1419.
DOI: https://doi.org/10.2138/am.2014.4647
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View PDF for article title, Z-contrast imaging and ab initio study on “ d ” superstructure in sedimentary dolomite
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Journal Article

Crystal structures of laihunite and intermediate phases between laihunite-1 M and fayalite: Z-contrast imaging and ab initio study

Huifang Xu, Zhizhang Shen, Hiromi Konishi, Pingqiu Fu, Izabela Szlufarska
Published: 01 May 2014
American Mineralogist (2014) 99 (5-6): 881–889.
DOI: https://doi.org/10.2138/am.2014.4691
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View PDF for article title, Crystal structures of laihunite and intermediate phases between laihunite-1 M and fayalite: Z-contrast imaging and ab initio study
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Journal Article

STEM investigation of exsolution lamellae and “ c ” reflections in Ca-rich dolomite from the Platteville Formation, western Wisconsin

Zhizhang Shen, Hiromi Konishi, Philip E. Brown, Huifang Xu
Published: 01 April 2013
American Mineralogist (2013) 98 (4): 760–766.
DOI: https://doi.org/10.2138/am.2013.4184
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View PDF for article title, STEM investigation of exsolution lamellae and “ c ” reflections in Ca-rich dolomite from the Platteville Formation, western Wisconsin
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Journal Article

Natural occurrence of keatite precipitates in UHP clinopyroxene from the Kokchetav Massif: A TEM investigation

Tina R. Hill, Hiromi Konishi, Huifang Xu
Published: 01 January 2013
American Mineralogist (2013) 98 (1): 187–196.
DOI: https://doi.org/10.2138/am.2013.4170
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View PDF for article title, Natural occurrence of keatite precipitates in UHP clinopyroxene from the Kokchetav Massif: A TEM investigation
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Journal Article

Polysaccharide-catalyzed nucleation and growth of disordered dolomite: A potential precursor of sedimentary dolomite

Fangfu Zhang, Huifang Xu, Hiromi Konishi, Evgenya S. Shelobolina, Eric E. Roden
Published: 01 April 2012
American Mineralogist (2012) 97 (4): 556–567.
DOI: https://doi.org/10.2138/am.2012.3979
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View PDF for article title, Polysaccharide-catalyzed nucleation and growth of disordered dolomite: A potential precursor of sedimentary dolomite
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Journal Article

Silician magnetite from the Dales Gorge Member of the Brockman Iron Formation, Hamersley Group, Western Australia

Jason M. Huberty, Hiromi Konishi, Philipp R. Heck, John H. Fournelle, John W. Valley, Huifang Xu
Published: 01 January 2012
American Mineralogist (2012) 97 (1): 26–37.
DOI: https://doi.org/10.2138/am.2012.3864
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View PDF for article title, Silician magnetite from the Dales Gorge Member of the Brockman Iron Formation, Hamersley Group, Western Australia
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Journal Article

A relationship between d 104 value and composition in the calcite-disordered dolomite solid-solution series

Fangfu Zhang, Huifang Xu, Hiromi Konishi, Eric E. Roden
Published: 01 November 2010
American Mineralogist (2010) 95 (11-12): 1650–1656.
DOI: https://doi.org/10.2138/am.2010.3414
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View PDF for article title, A relationship between d 104 value and composition in the calcite-disordered dolomite solid-solution series
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Journal Article

HRTEM investigation of trilling todorokite and nano-phase Mn-oxides in manganese dendrites

Huifang Xu, Tianhu Chen, Hiromi Konishi
Published: 01 April 2010
American Mineralogist (2010) 95 (4): 556–562.
DOI: https://doi.org/10.2138/am.2010.3211
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View PDF for article title, HRTEM investigation of trilling todorokite and nano-phase Mn-oxides in manganese dendrites
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Journal Article

High-resolution TEM study of jimthompsonite, chesterite, and chain-width disorder in Archean ultramafic rocks from Isua, West Greenland

Hiromi Konishi, Huifang Xu, Robert F. Dymek
Published: 01 January 2010
American Mineralogist (2010) 95 (1): 73–80.
DOI: https://doi.org/10.2138/am.2010.3212
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View PDF for article title, High-resolution TEM study of jimthompsonite, chesterite, and chain-width disorder in Archean ultramafic rocks from Isua, West Greenland
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Journal Article

Proto-polymorphs of jimthompsonite and chesterite in contact-metamorphosed serpentinites from Japan

Hiromi Konishi, Peter R. Buseck, Huifang Xu, Xiaochun Li
Published: 01 February 2008
American Mineralogist (2008) 93 (2-3): 351–359.
DOI: https://doi.org/10.2138/am.2008.2637
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View PDF for article title, Proto-polymorphs of jimthompsonite and chesterite in contact-metamorphosed serpentinites from Japan
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Journal Article

2111 biopyribole intermediate between pyroxene and amphibole: Artifact or natural product?

Hiromi Konishi, Reijo Alviola, Peter R. Buseck
Published: 01 January 2004
American Mineralogist (2004) 89 (1): 15–19.
DOI: https://doi.org/10.2138/am-2004-0103
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View PDF for article title, 2111 biopyribole intermediate between pyroxene and amphibole: Artifact or natural product?
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