|Physical basis of colors seen in Congo red-stained amyloid in polarized light|
AJ Howie, DB Brewer, D Howell, AP Jones
Laboratory investigation 88 (3), 232-242, 2008
|Mantle recycling: transition zone metamorphism of Tibetan ophiolitic peridotites and its tectonic implications|
WL Griffin, JC Afonso, EA Belousova, SE Gain, XH Gong, ...
Journal of Petrology 57 (4), 655-684, 2016
|Diamonds in ophiolites: Contamination or a new diamond growth environment?|
D Howell, WL Griffin, J Yang, S Gain, RA Stern, JX Huang, DE Jacob, ...
Earth and Planetary Science Letters 430, 284-295, 2015
|μ-FTIR mapping: distribution of impurities in different types of diamond growth|
D Howell, CJ O'Neill, KJ Grant, WL Griffin, NJ Pearson, SY O'Reilly
Diamond and Related Materials 29, 29-36, 2012
|Quantifying strain birefringence halos around inclusions in diamond|
D Howell, IG Wood, DP Dobson, AP Jones, L Nasdala, JW Harris
Contributions to Mineralogy and Petrology 160 (5), 705-717, 2010
|A spectroscopic and carbon-isotope study of mixed-habit diamonds: Impurity characteristics and growth environment|
D Howell, WL Griffin, S Piazolo, JM Say, RA Stern, T Stachel, L Nasdala, ...
American Mineralogist 98 (1), 66-77, 2013
|Strain-induced birefringence in natural diamond: a review|
European Journal of Mineralogy 24 (4), 575-585, 2012
|Constraining the internal variability of the stable isotopes of carbon and nitrogen within mantle diamonds|
S Mikhail, AB Verchovsky, D Howell, MT Hutchison, R Southworth, ...
Chemical Geology 366, 14-23, 2014
|Platelet development in cuboid diamonds: insights from micro-FTIR mapping|
D Howell, CJ O’Neill, KJ Grant, WL Griffin, SY O’Reilly, NJ Pearson, ...
Contributions to Mineralogy and Petrology, 1-15, 2012
|Inclusions under remnant pressure in diamond: a multi-technique approach|
D Howell, IG Wood, F Nestola, P Nimis, L Nasdala
European Journal of Mineralogy 24 (4), 563-573, 2012
|Quantitative characterization of plastic deformation of single diamond crystals: A High Pressure High Temperature (HPHT) experimental deformation study combined with Electron …|
D Howell, S Piazolo, DP Dobson, IG Wood, AP Jones, N Walte, DJ Frost, ...
Diamond and Related Materials, 2012
|Deformation-related spectroscopic features in natural Type Ib-IaA diamonds from Zimmi (West African craton)|
KV Smit, UFS D’Haenens-Johansson, D Howell, LC Loudin, W Wang
Mineralogy and Petrology 112, 243-257, 2018
|Various growth environments of cloudy diamonds from the Malobotuobia kimberlite field (Siberian craton)|
S Skuzovatov, D Zedgenizov, D Howell, WL Griffin
Lithos 265, 96-107, 2016
|Outlooks in Earth and Planetary Materials: Chemistry and Mineralogy of Earth’s Mantle: A petrological assessment of diamond as a recorder of the mantle nitrogen cycle|
S Mikhail, D Howell
American Mineralogist 101 (4), 780-787, 2016
|Automated FTIR mapping of boron distribution in diamond|
D Howell, AT Collins, LC Loudin, PL Diggle, UFS D'Haenens-Johansson, ...
Diamond and Related Materials 96, 207-215, 2019
|Trace element partitioning in mixed-habit diamonds|
D Howell, WL Griffin, NJ Pearson, W Powell, P Wieland, SY O'Reilly
Chemical Geology 355, 134-143, 2013
|Deep carbon through time: Earth’s diamond record and its implications for carbon cycling and fluid speciation in the mantle|
D Howell, T Stachel, RA Stern, DG Pearson, F Nestola, MF Hardman, ...
Geochimica et Cosmochimica Acta 275, 99-122, 2020
|Nitrogen nanoinclusions in milky diamonds from Juina area, Mato Grosso State, Brazil|
J Rudloff-Grund, FE Brenker, K Marquardt, D Howell, A Schreiber, ...
Lithos 265, 57-67, 2016
|Pink color in Type I diamonds: Is deformation twinning the cause?|
D Howell, D Fisher, S Piazolo, WL Griffin, SJ Sibley
American Mineralogist 100 (7), 1518-1527, 2015
|Methods and reference materials for SIMS diamond C-and N-isotope analysis.|