Research Summary
Research interests include crystal structure analysis of minerals, environmental geochemistry, inorganic polymerization in aqueous fluids and phase transition in rock-forming minerals.
In the News
Research Keywords
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Projects
Recent Publications
Vacancy infilling during the crystallization of Fe-deficient hematite: An in situ synchrotron X-ray diffraction study of non-classical crystal growth
Chen, S. A., Heaney, P. J., Post, J. E., Eng, P. J. & Stubbs, J. E., Sep 1 2023, In: American Mineralogist. 108, 9, p. 1720-1731 12 p.Research output: Contribution to journal › Article › peer-review
Synchrotron X-ray diffraction of pyrolusite (MnO2) and rutile (TiO2) during heating to ∼1000 °C
Chung, D. Y., Heaney, P. J., Post, J. E., Stubbs, J. E. & Eng, P. J., Jun 2023, In: Journal of Physics and Chemistry of Solids. 177, 111284.Research output: Contribution to journal › Article › peer-review
Mastering the Art of Silicate Mineralogy
Heaney, P. J., 2023, In: Rocks and Minerals. 98, 1, p. 8-27 20 p.Research output: Contribution to journal › Article › peer-review
The crystal structure of feitknechtite (β-MnOOH) and a new MnOOH polymorph
Post, J. E., Heaney, P. J., Ilton, E. S. & Elzinga, E. J., Nov 1 2023, In: American Mineralogist. 108, 11, p. 2131-2141 11 p.Research output: Contribution to journal › Article › peer-review
Hematite-goethite ratios at pH 2–13 and 25–170 °C: A time-resolved synchrotron X-ray diffraction study
Chen, S. A., Heaney, P. J., Post, J. E., Eng, P. J. & Stubbs, J. E., Sep 20 2022, In: Chemical Geology. 606, 120995.Research output: Contribution to journal › Article › peer-review
Minerals, Magic, and Science: IMA Designates 2022 as the Year of Mineralogy
Heaney, P. J., 2022, In: Rocks and Minerals. 97, 2, p. 130-133 4 p.Research output: Contribution to journal › Article › peer-review
Manjiroite or hydrous hollandite?
Post, J. E., Heaney, P. J., Fischer, T. B. & Ilton, E. S., Apr 1 2022, In: American Mineralogist. 107, 4, p. 564-571 8 p.Research output: Contribution to journal › Article › peer-review
Superhydrous hematite and goethite: A potential water reservoir in the red dust of Mars?
Chen, S. A., Heaney, P. J., Post, J. E., Fischer, T. B., Eng, P. J. & Stubbs, J. E., Nov 2021, In: Geology. 49, 11, p. 1343-1347 5 p.Research output: Contribution to journal › Article › peer-review
Effects of pH and Ca exchange on the structure and redox state of synthetic Na-birnessite
Elmi, C., Post, J. E., Heaney, P. J. & Ilton, E. S., Jan 27 2021, In: American Mineralogist. 106, 1, p. 15-27 13 p.Research output: Contribution to journal › Article › peer-review
Synchrotrons and Geochemistry: A Workshop for Novices and Experts
Lanzirotti, A., Heaney, P. J., Stubbs, J. E., Fenter, P., Myneni, S., Gilbert, B. & Duffy, T., 2021, In: Synchrotron Radiation News. 34, 6, p. 41-42 2 p.Research output: Contribution to journal › Article › peer-review
Raman spectroscopy study of manganese oxides: Layer structures
Post, J. E., McKeown, D. A. & Heaney, P. J., Mar 26 2021, In: American Mineralogist. 106, 3, p. 351-366 16 p.Research output: Contribution to journal › Article › peer-review
Origin of a global carbonate layer deposited in the aftermath of the Cretaceous-Paleogene boundary impact
Bralower, T. J., Cosmidis, J., Heaney, P. J., Kump, L. R., Morgan, J. V., Harper, D. T., Lyons, S. L., Freeman, K. H., Grice, K., Wendler, J. E., Zachos, J. C., Artemieva, N., Chen, S. A., Gulick, S. P. S., House, C. H., Jones, H. L., Lowery, C. M., Nims, C., Schaefer, B., Thomas, E., & 1 others, Oct 15 2020, In: Earth and Planetary Science Letters. 548, 116476.Research output: Contribution to journal › Article › peer-review
Deep abiotic weathering of pyrite
Gu, X., Heaney, P. J., Reis, F. D. A. A. & Brantley, S. L., Oct 23 2020, In: Science. 370, 6515, eabb8092.Research output: Contribution to journal › Article › peer-review
A structural study of size-dependent lattice variation: In situ X-ray diffraction of the growth of goethite nanoparticles from 2-line ferrihydrite
Heaney, P. J., Oxman, M. J. & Chen, S. A., May 26 2020, In: American Mineralogist. 105, 5, p. 652-663 12 p.Research output: Contribution to journal › Article › peer-review
Heirs of the revolution: X-ray diffraction and the birth of the Mineralogical Society of America
Heaney, P. J., 2020, In: American Mineralogist. 105, 1, p. 3-21 19 p.Research output: Contribution to journal › Review article › peer-review