Publications by year

These are links to the abstracts of the papers, pictures of the objects of the papers, and to the raw data used to construct graphs.

In Preparation

Bell DR, Mattioli GS, Rossman GR (200x) H, Na and Ti substitution in pyrope from the Earth's Mantle. A 2d draft exists

Goreva JS, Rossman GR (200x) 'Blue' rose-quartz, in preparation. 

Ma C, Rossman GR (200x) Coexisting dumortierite and a related superstructure. A first draft exists; still in preparation.

Ma C, Rossman GR,  (200x) Hafnon and hafnian zircon from the Stewart Mine, Pala, California. A first draft exists.

Ma C, Rossman GR,  (200x) Rainbow and other iridenscent hematites. A first draft exists.

O'Leary JA, Rossman GR, Eiler J (200x) Hydrogen analysis in minerals by continuous-flow mass spectrometry. A second draft exists. For American Mineralogist.

O'Leary JA, Eiler JM, Rossman GR (200x) Hydrogen isotopic evidence for water-loss from mantle pyroxenes For xxx journal. A first draft exists.

Platonov AN, Rossman GR (200x) The origin of green color in pyromorphite, Pb5(PO4)3Cl. Ready to submit to American Mineralogist.

Verdel CS, Johnson EA, Rossman GR (200x) Nanopores: an important reservoir of water in some nominally anhydrous minerals. A draft exists.

Submitted for Publication

Baker L, Rossman GR (2006) An Investigation of Greenish Quartz found at the Thunder Bay Amethyst Mine Panorama, Thunder Bay, Ontario, Canada, and Similar Localities. Canadian Mineralogist.

Burt JB, Ross NL, Gibbs GV, Rossman GR, Rosso KM (2006) Potential protonation sites in the Al2SiO5 polymorphs based on polarized FTIR spectroscopy and bond critical point properties. Physics and Chemistry of Minerals.

Cooper MA, Hawthorne FC, Grew ES, Kyser TK, Rossman GR (2006) The crystal chemistry of the kornerupine-prismatine series. II. The role of hydrogen. Canadian Mineralogist. Back from Referees.

Accepted for Publication

Hughes JM, Ertl A, Bernhardt HJ, Rakovan R, Rossman GR (2006) Vanadium-rich muscovite from Austria: Crystal structure, chemical analysis, and spectroscopic investigations. Canadian Mineralogist.

Ma C, Rossman GR, Miller JA (2007) The Origin of Color in "Fire" Obsidian. Canadian Mineralogist.

Mosenfelder JL, Sharp TG, Asimow PD, Rossman GR (2006) Hydrogen incorporation in natural mantle olivines. Earth's Deep Water Cycle, AGU Geophysical Monograph. Jacobsen S, Lee Svd, Editors.

Rossman GR (2006) Analytical methods for measuring water in nominally anhydrous minerals. Reviews in Mineralogy and Geochemistry.



Asimow PD, Stein LC, Mosenfelder JL, Rossman GR (2006) Quantitative polarized FTIR analysis of trace OH in populations of randomly oriented mineral grains. American Mineralogist 91:278-284.

Beran A, Rossman GR (2006) OH in naturally occurring corundum. European Journal of Mineralogy, 18:441-447.  

Cempírek J, Novák M, Ertl A, Hughes JM, Rossman GR, Dyar MD (2006) Fe-bearing olenite with tetrahedrally coordinated Al from an abyssal pegmatite at Kutná Hora, Czech Republic: structure, crystal chemistry, optical and XANES spectra. Canadian Mineralogist 44:23-30.

Ma C, Rossman GR (2006) Low voltage FESEM of geological materials. Microscopy Today 14:

Ma C, Rossman GR (2006) Ganterite, the barium mica Ba0.5K0.5Al2(Al1.5Si2.5)O10(OH)2, from Oreana, Nevada. American Mineralogist 91:702-705.

Mosenfelder JL, Deligne NI, Asimow PD, Rossman GR (2006) Hydrogen incorporation in olivine from 2-12 GPa. American Mineralogist


Ertl A, Rossman GR, Hughes JM, Rossman GR, Prowatke S, Ludwig T (2005) Mn-bearing "oxy-rossmanite" with tetrahedrally-coordinated Al and B from Austria: structure, chemistry, and infrared and optical spectroscopic study. American Mineralogist 90, 481-487.

Rossman GR (2006) New discoveries of painite in Myanmar (Burma). Gems & Gemology 41:356.

Rossman GR, Shigley JE (2005) Green orthoclase feldspar from Vietnam. Gems & Gemology 41:354-355.

Smyth JR, Holl CM, Langenhorst F, Laustsen HM, Rossman GR, Kleppe A, McCammon CA, Kawamoto T, Van Aken PA (2005) Crystal chemistry of wadsleyite II and water in the Earth's interior. Physics and Chemistry of Minerals 31, 691-705.


Bell DR, Rossman GR, Maldener J, Endisch D, Rauch F (2004) Hydroxide in kyanite: A quantitative determination of the absolute amount and calibration of the IR spectrum. American Mineralogist 89, 998-1003.

Bell DR, Rossman GR, Moore RO (2004) Abundance and partitioning of OH in a high-pressure magmatic system: megacrysts from the Monastery kimberlite, South Africa. Journal of Petrology, 45, 1539-1564.

Hawthorne FC, Cooper MA, Simmons WB, Falster AU, Laurs BM, Armbruster T, Rossman GR, Peretti A, Gunter D, Grobety B (2004) Pezzottaite, Ca(Be2 Li)Al2Si6O18, a spectacular new mineral related to the beryl group, from Madagascar. Mineralogical Record, 35, 369-382.

Harlow GE, Quinn EP, Rossman GR, Rohtert WR (2004) Blue omphacite from Guatemala. Gems & Gemology, 40, 68-70.

Hughes JM, Ertl A, Bernhardt H-Z, Rossman GR, Rakovan J (2004) Mn-rich fluorapatite from Austria: Crystal structure, chemical analysis, and spectroscopic investigations. American Mineralogist, 89, 629-632.

Johnson EA, Rossman GR (2004) A survey of hydrous species and concentrations in igneous feldspars. American Mineralogist, 89, 586-599.

Johnson EA, Rossman GR (2004) An infrared and 1H MAS NMR investigation of strong hydrogen bonding in ussingite, Na2AlSi3O8(OH). Physics and Chemistry of Minerals 31, 115-121.

Peretti A, Armbruster T, Günther D, Grobéty B, Hawthorne FC, Cooper MA, Simmons WB, Falster AU, Rossman GR, Laurs BM (2004) The challenge of the identification of a new mineral species: example "Pezzottaite". Contributions to Gemology 3, 1-12.

Schauble EA, Rossman GR, Taylor HP (2004) Theoretical estimates of equilibrium chromium-isotope fractionations. Chemical Geology 205, 99-114.


Bell DR, Rossman GR, Maldener J, Endisch D, Rauch F (2003) Hydroxide in olivine: A quantitative determination of the absolute amount and calibration of the IR spectrum. Journal of Geochemical Research, 108(B2), 2105, doi:10.1029/2001JB000679, 2003.

Ertl A, Hughes JM, Protwatke S, Rossman GR, London D, Fritz EA (2003) Mn-rich tourmaline from Austria: structure, chemistry, optical spectra, and relations to synthetic solid solutions. American Mineralogist 88, 1369-1376.

Johnson EA, Rossman GR (2003) The concentration and speciation of hydrogen in feldspars using FTIR and 1H MAS NMR spectroscopy. American Mineralogist 88, 901-911.

Laurs BM, Simmons WB, Rossman GR, Quinn EP, McClure SF, Peretti A, Armbruster T, Hawthorne FC, Falster AU, Günther D, Cooper MA, Grobéty B (2003) Pezzottaite from Ambatovita, Madagascar: A New Gem Mineral. Gems and Gemology 39, 284-301.

Rohtert WR, Quinn EP, Groat LA, Rossman GR (2003) Blue beryl discovery in Canada. Gems and Gemology 39, 327-329.

Schauble EA, Rossman GR, Taylor HP (2003) Theoretical estimates of equilibrium chlorine-isotope fractionations. Geochimica et Cosmochimica Acta, in Press.

Simmons WB, Falster AU, McClure SF, Quinn EP, Rossman GR, Hawthorne FC (2003) A new saturated purplish pink Cs-"beryl" from Madagascar Gems & Gemology 39, 50-54.


Arredondo EH, Rossman GR (2002) Feasibility of determining the quantitative OH content of garnets with Raman spectroscopy. American Mineralogist, 87, 307-312.

Ma C, Goreva GS, Rossman GR (2002) Fibrous nanoinclusions in massive rose quartz. HRTEM and AEM investigations. American Mineralogist, 87, 269-276.

Johnson EA, Rossman GR, Dyar MD, Valley JW (2002) Correlation between OH concentration and oxygen isotope diffusion rate in diopsides from the Adirondack Mountains, New York. American Mineralogist, 87, 899-908.

Kent AJR and Rossman GR (2002) Effect of hydroxyl content on lithium and boron in olivine. American Mineralogist, 87, 1432-1436.

Rossman GR (2002) Acceptance of the Dana Medal of Mineralogical Society of America for 2001. American Mineralogist, 87, 801-802.

Taran MN and Rossman GR (2002) High-temperature, high-pressure optical spectroscopic study of ferric iron-bearing tourmaline. American Mineralogist, 87, 1148-1153.


Arredondo EH, Rossman GR, Lumpkin GR (2001) Hydrogen in spessartine-almandine garnets as a tracer of granitic pegmatite evolution. American Mineralogist 86, 495-490.

Balitsky VS, Makhina IB, Marina EA, Rossman GR, Lu T, Shigley JE (2001) Growth and characteristics of some new varieties of coloured quartz single crystals. High Pressure research 20, 219-227.

Ma C, Gresh J, Rossman GR, Ulmer GC, Vicenzi EP (2001) Micro-analytical study of the optical properties of Mexican rainbow and sheen obsidians.  Canadian Mineralogist, 39, 57-71.

Goreva JS, Ma C, Rossman GR (2001) Fibrous nanoinclusions in massive rose quartz. The origin of rose coloration. American Mineralogist 86, 466-472.

Schauble E, Rossman GR, Taylor HP (2001) Theoretical estimates of equilibrium Fe-isotope fractionations from vibrational spectroscopy. Geochemica Cosmochemica Acta, in press.

Rossman GR and Taran MN (2001) Spectroscopic standards for four- and five-coordinated Fe2+ in oxygen-based minerals.   American Mineralogist 86, 896-903.

Taran MN and Rossman GR (2001) Optical spectra of Co2+ in three silicate minerals.  American Mineralogist 86, 889-895.

Taran MN and Rossman GR (2001) Optical spectroscopic study of tuhualite and a re-examination of the beryl, cordierite, and osumilite spectra. American Mineralogist 86, 973-980.


Balitsky VS, Machina IB, Mar'in AA, Shigley JE, Rossman GR (2000) Industrial growth, morphology and some properties of bi-colored amethyst-citrine quartz (ametrine). Journal of Crystal Growth 212, 255-260.

Fritsch E, Rossman GR (2000) La couleur dans les gemmes. Pour La Science (French edition of Scientific American) 2000, 36-41.

Fritsch E, Rossman GR (2000) L'origine de la couleur dans les gemmes. Revue de Gemmologie 140, 37-44.

Geiger CA, Stahl A, Rossman GR (2000) Single-crystal IR- and UV/VIS-spectroscopic measurements on transition metal bearing pyrope: the incorporation of hydroxide in garnet. European Journal of Mineralogy 12, 259-271.

Herd CDK, Peterson RC, Rossman GR (2000) Violet-coloured diopside from South Baffin Island, Nanuvut Territory. Canadian Mineralogist 38, 1193-1199.

Kagi H, Parise JB, Cho H, Rossman GR, Loveday JS (2000) Hydrogen bonding interactions in Phase A (Mg7Si2O8(OH)) at ambient and high pressure. Physics and Chemistry of Minerals 27, 225-233.

Kampf AR, Wise WS, Rossman GR (2000) Juanitaite, A new mineral from Gold Hill, Utah. Mineralogical Record 31, 301-305.


Balitsky VS, Lu T, Rossman GR, Makhina IB, Mar'in, AA, Shigley JE, Elen S, Dorogovin BA (1999) Russian synthetic ametrine. Gems and Gemology 35, 122-134.

Fritsch E, Rossman GR (1999) L'origine de la couleur dans les gemmes. Revue de Gemmologie 137, 17-23.

Geiger CA, Stahl A, Rossman GR (1999)  Raspberry-red grossular from Sierra de Cruces Range, Coahuila, Mexico. European Journal of Mineralogy 11, 1109-1113.

Lager GA, Xie QY, Ross FK, Rossman GR, Armbruster T, Rotella FJ, Schultz AJ (1999)  Hydrogen atom positions in P4/nnc vesuvianite. Canadian Mineralogist 37, 763-768.

Mar'ina EA, Balitsky VS, Balitskaya LV, Urusov VS, Rossman GR (1999) Solubility and growth of quartz crystals in aqueous borate solutions. Doklady Akademii Nauk 369, 375-377 (in Russian).

Yen A, Murray B, Rossman GR, Grunthaner FJ (1999)  Stability of hydroxylated minerals on Mars: A study on the effects of exposure to ultraviolet radiation. Journal of Geophysical Research 104, 27,031-27,041.


Amthauer G, Rossman GR (1998) The hydrous component in andradite garnet. American Mineralogist 83, 835-840

Hammer VMF, Libowitzky E, Rossman GR (1998) Single-crystal IR spectroscopy of pectolite, NaCa2[Si3O8(OH)], and serandite, NaMn2[Si3O8(OH)]. American Mineralogist 83, 569-576.

Kronenberg AK, Yund RA, Rossman GR (1998) Reply to Comment of Doremus, Robert H. on stationary and moblie hydrogen defects in potassium feldspar. Geochimica et Cosmochimica Acta 62, 379-380

Wang Z, Rossman GR, Blake GA (1998) A new microsampling VIS-IR spectrometer based on optical parametric oscillator technology. Spectroscopy 13, 44-47.

Yen AS, Murray BM, Rossman GR (1998) Water content of the Martian soil: laboratory simulations of reflectance spectra. Journal of Geophysical Research 103, 11,125-11,133.


Libowitzky E, Rossman GR (1997) IR spectroscopy of hemimorphite between 82 and 373 K and optical evidence for a low-temperature phase transition. European Journal of Mineralogy 9, 793-802.

Libowitzky E, Rossman GR (1997) An IR absorption calibration for water in minerals. American Mineralogist 82, 1111-1115

Libowitzky E, Kohler T, Armbruster T, Rossman GR (1997) Proton disorder in dehydrated hemimorphite - IR spectroscopy and X-ray structure refinement at low and ambient temperatures. European Journal of Mineralogy 9, 803-810.


Kronenberg AK, Yund RA, Rossman GR (1996) Stationary and mobile hydrogen defects in potassium feldspar. Geochimica et Cosmochimica Acta 60, 4075-4094.

Langer K, Platonov AN, Rossman GR (1996) Optical Absorption Spectroscopy. In: A.S. Marfunin, ed., Advanced Mineralogy, Springer-Verlag, NY, vol. 2. Springer-Verlag, Berlin.

Libowitzky E, Rossman GR (1996) FTIR spectroscopy of lawsonite between 82 and 325 K. American Mineralogist 81, 1080-1091.

Libowitzky E, Rossman GR (1996) Principles of quantitative absorbance measurements in anisotropic crystals. Physics and Chemistry of Minerals 23, 319-327.

Rossman GR (1996) Studies of OH in nominally anhydrous minerals. Physics and Chemistry of Minerals 23, 299-304.

Rossman GR (1996) Why hematite is red: Correlation of optical absorption intensities and magnetic moments of Fe3+ minerals. Mineral Spectroscopy: A tribute to Roger G. Burns. The Geochemical Society, Special Publication No. 5, eds: MD Dyar, C McCammon, MW Schaefer.


Bell DR, Ihinger PD, Rossman GR (1995) Quantitative analysis of hydroxyl in garnet and pyroxene. American Mineralogist 80, 465-474.

Dobson P, Skogby H, Rossman GR (1995) The water content of boninite glass and coexisting orthopyroxene. Contributions to Mineralogy and Petrology 118, 414-419.

Groat LA, Hawthorne FC, Rossman GR, Ercit TS (1995) The infrared spectroscopy of vesuvianite in the OH region. Canadian Mineralogist 33, 609-626.

Snyder GA, Taylor LA, Jerde EA, Deines P, Clayton RN, Mayeda T, Rossman GR, Sobolev NV (1995) Hydroxyl contents, and carbon and oxygen isotopic compositions of diamondiferous eclogites from the Udachnaya Kimberlite pipe, Yakutia, Siberia. American Mineralogist 80, 799-809.


Geiger CA, Rossman GR (1994) Crystal field stabilization energies of almandine-pyrope and almandine-spessartine garnets determined by FT-NIR measurements. Physics and Chemistry of Minerals, 21, 516-525.

Lee WJ, Wyllie PJ, Rossman GR (1994) CO2-rich glass quenched from the CO2-SiO2-CaO system at 2.5 GPa. American Mineralogist 79, 1135-1144.

Rose TP, Criss RC, Rossman GR (1994) Irradiative coloration of minerals for the purpose of preparing high purity mineral separates. Chemical Geology 114, 185-189.

Rossman GR (1994) The colored varieties of the silica minerals. In: P.J. Haney, ed., Reviews in Mineralogy 29, 433-468.

Sykes D, Rossman GR, Veblen DR, Grew ES (1994)  Enhanced hydrogen and fluorine incorporation in borian olivine. American Mineralogist 79, 904-908.

Vasconcelos P, Wenk HR, Rossman GR (1994)  The Anahí ametrine mine, Bolivia. Gems and Gemology 30, 4-23.


Baker SM, Rossman GR, Baldeschwieler JD (1993) Observation of surface charge screening and Fermi level pinning on a synthetic, boron-doped diamond. Journal of Applied Physics, 74, 4015-4019.

Baker SM, Rossman GR, Baldeschwieler JD (1993) Topology of synthetic, boron-doped diamond by scanning tunneling microscopy. Diamonds and Related Materials, 3, 94-97.

Cho H, Rossman GR (1993) Single-crystal NMR studies of low-concentration hydrous species in minerals: Grossular garnet.  American Mineralogist 78, 1149-1164.

Eby RK, Janeczek J, Ewing RC, Ercit TS, Groat LA, Chakoumakos BC, Hawthorne FC, Rossman GR (1993) Metamict and chemically altered vesuvianite. Canadian Mineralogist 31, 357-369.

Kubicki JD, Sykes D, Rossman GR (1993) Molecular orbital calculations of compositional and structural effects on OH stretching vibrations in aluminosilicate molecules. Physics and Chemistry of Minerals 20, 425-432.

O'Neill B, Bass JD, Rossman GR (1993) Elastic properties of hydrogrossular garnet and implications for water in the upper mantle. J. Geophy. Research 98, 20,031-20,037.

Shannon RD, Vega AJ, Chai BHT, Rossman GR (1993) Dielectric properties of berlinite I. Dielectric constant. J. Phys. D:  Appl. Phys. 26, 93-100.

Vlassopoulos D, Rossman GR, Haggerty SE (1993) Coupled substitution of H and minor elements in rutile and implications of high OH contents in Nb-Cr rutile from the upper mantle. American Mineralogist 78, 1181-1191.


Bell DR, Rossman GR (1992) Water in the earth's mantle; the role of nominally anhydrous minerals. Science 255, 1391-1397.

Bell DR, Rossman GR (1992) The distribution of hydroxyl in garnets from the subcontinental mantle of southern Africa. Contributions to Mineralogy and Petrology, 111, 161-178.

Beran A, Armstrong JT, Rossman GR. (1992) Infrared and electron microprobe analysis of ammonium ions in hyalophane feldspar. European Journal of Mineralogy, 4, 847-450.

Nassau K, Rossman GR, Wood DL (1992) Unstable, green, irradiation-induced color in grossularite. Gems and Gemology, 28, 188-191.

Shannon RD, Rossman GR (1992) Dielectric constants of silicate garnets and the oxide additivity rule. American Mineralogist 77, 94-100.

Shannon RD, Rossman GR (1992) Dielectric constants of apatite, epidote, vesuvianite, and zoisite and the oxide additivity rule. Physics and Chemistry of Minerals, 19, 157-165.

Shannon RD, Dickinson JE, Rossman GR (1992) Dielectric constants of crystalline and amorphous spodumene, anorthite and diopside and the oxide additivity rule. Physics and Chemistry of Minerals, 19, 148-156.

Shannon RD, Iishi K, Allik TH, Rossman GR, Liebertz J (1992) Dielectric constants of BaO and melilites and the oxide additivity rule. European Journal of Mineralogy 4, 1241-1249.

Shannon RD, Mariano AN, Rossman GR (1992) Effect of H2O and CO2 on dielectric properties of single crystal cordierite and comparison with polycrystalline cordierite. Journal of the American Ceramic Society, 75, 2395-2399.

Shannon RD, Oswald RA, Rossman GR (1992) Dielectric constants of topaz, orthoclase and scapolite and the oxide additivity rule. Physics and Chemistry of Minerals, 19, 166-170

Shannon RD, Subramanian MA, Mariano AN, Gier TE, Rossman GR (1992) Dielectric constants of diaspore and B-, Be-, and P-containing minerals, the polarizabilities of B2O3 and P2O5 and the oxide additivity rule. American Mineralogist 77, 101-106.


Geiger CA, Langer K, Bell DR, Rossman GR, Winkler B (1991) The OH- component in synthetic pyrope. American Mineralogist 76, 49-59.

Guthrie GE, Veblen DR, Navon O, Rossman GR (1991) Submicrometer fluid inclusions in turbid-diamond coats. Earth and Planetary Science Letters 105, 1-12.

Hawthorne FC, Groat LA, Raudsepp M, Ball NA, Kimata M, Spike FD, Gaba R, Halden NM, Lumpkin GR, Ewing RC, Greegor RB, Lytle FW, Ercit TS, Rossman GR, Wicks FJ, Ramik RA, Sherriff BL, Fleet ME, McCammon C (1991) Alpha-Decay damage in natural titanite. American Mineralogist 76, 370-398.

Hawthorne FC, Kimata M, Cerny P, Ball N, Rossman GR, Grice JD (1991) The crystal chemistry of the milarite group minerals. American Mineralogist 76, 1836-1856.

O'Neill B, Bass JD, Rossman GR, Geiger CA, Langer K (1991) Elastic properties of pyrope. Physics and Chemistry of Minerals 17, 617-621.

Rossman GR, Aines RD (1991) The hydrous components in garnets: grossular - hydrogrossular. American Mineralogist 76, 1153-1164.

Rossman GR, Fritsch E, Shigley JE (1991) Origin of color in cuprian-elbaite tourmalines from Sao Jose de Batalha, Paraiba, Brazil. American Mineralogist 76, 1479-1484.

Shannon RD, Oswald RA, Allik TH, Damen JPM, Mateika D, Wechsler BA, Rossman GR (1991) Dielectric constants of YVO4, Fe-, Ge- and V-containing garnets, the polarizabilities of Fe2O3, GeO2, and V2O5 and the oxide additivity rule. Journal of Solid State Chemistry 95, 313-318.

Shannon RD, Rossman GR (1991) Dielectric constant of MgAl2O4 spinel and the oxide additivity rule. Journal of Physics and Chemistry of Solids 52, 1055-1059.

Shannon RD, Subramanian MA, Hosoya S, Rossman GR (1991) Dielectric constants of tephroite, fayalite and olivine and the oxide additivity rule. Physics and Chemistry of Minerals 18, 1-6.

Skogby H, Rossman GR (1991) The intensity of amphibole OH bands in the infrared absorption spectrum. Physics and Chemistry of Minerals 18, 64-68.

Smyth JR, Bell DR, Rossman GR (1991) Incorporation of hydroxyl in upper mantle clinopyroxenes. Nature 351, 732-734.

Woodhead JA, Rossman GR, Silver LT (1991) The metamictization of zircon: Radiation dose-dependent characteristics. American Mineralogist 76, 74-82.

Woodhead JA, Rossman GR, Thomas AP (1991) Hydrous species in zircon. American Mineralogist 76, 1433-1446.


Fritsch E, Rossman GR (1990) New technologies of the 1980s: their impact in gemology. Gems and Gemology 26, 64-75.

Fritsch E, Shigley JE, Rossman GR, Mercer ME, Muhlmeister SM, Moon M (1990) Gem-quality cuprian-elbaite tourmaline from Sao Jose de Batalha, Paraiba, Brazil. Gems and Gemology 26, 189-205.

Rossman GR (1990) Hydrogen in "anhydrous" minerals. Nuclear Instruments and Methods in Research B45, 41-44.

Rossman GR, Smyth JR (1990) Hydroxyl contents of accessory minerals in mantle eclogites and related rocks. American Mineralogist 75, 765-780.

Shannon RD, Subramanian MA, Allik TH, Kimura H, Kokta MR, Randles MH, Rossman GR (1990) Dielectric constants of yttrium and rare-earth garnets: The polarizability of gallium oxide and the oxide additivity rule. Journal of Applied Physics 67, 3798-3802.

Skogby H, Bell DR, Rossman GR (1990) Hydroxide in pyroxenes: variations in the natural environment. American Mineralogist 75, 764-774.

Smyth JR, Madel RE, McCormick TC, Munoz JL, Rossman GR (1990) Crystal structure refinement of a F-bearing spessartine garnet. American Mineralogist 75, 314-318.