Intervalence charge transfer in aluminum oxide and aluminosilicate minerals at elevated temperatures

Single-crystal UV/Vis optical absorption spectra of almandine-bearing and spessartine garnet: Part II. An analysis of the spin-forbidden bands of Fe 2+ , Mn 2+ , and Fe 3+

UV/Vis single-crystal spectroscopic investigation of almandine-pyrope and almandinespessartine solid solutions: Part I. Spin-forbidden Fe 2+,3+ and Mn 2+ electronic-transition energies, crystal chemistry, and bonding behavior

X-ray diffraction reveals two structural transitions in szomolnokite

Acceptance of the 2021 Roebling Medal of the Mineralogical Society of America

Coupled hydrogen and fluorine incorporation in garnet: New constraints from FTIR, ERDA, SIMS, and EPMA

The atomic arrangement and electronic interactions in vonsenite at 295, 100, and 90 K

Johnkoivulaite, Cs(Be 2 B)Mg 2 Si 6 O 18 , a new mineral of the beryl group from the gem deposits of Mogok, Myanmar

Micro- and nano-size hydrogarnet clusters in calcium silicate garnet: Part II. Mineralogical, petrological, and geochemical aspects

Micro- and nano-size hydrogarnet clusters and proton ordering in calcium silicate garnet: Part I. The quest to understand the nature of “water” in garnet continues

Machiite, Al 2 Ti 3 O 9 , a new oxide mineral from the Murchison carbonaceous chondrite: A new ultra-refractory phase from the solar nebula

Nitrogen incorporation in silicates and metals: Results from SIMS, EPMA, FTIR, and laser-extraction mass spectrometry

IR spectroscopy and OH – in silicate garnet: The long quest to document the hydrogarnet substitution

Wayneburnhamite, Pb 9 Ca 6 (Si 2 O 7 ) 3 (SiO 4 ) 3 , an apatite polysome: The Mn-free analog of ganomalite from Crestmore, California

Raman characterization of synthetic magnesian calcites

Hydrous species in feldspars: A reassessment based on FTIR and SIMS

Ophirite, Ca 2 Mg 4 [Zn 2 Mn 2 3+ (H 2 O) 2 (Fe 3+ W 9 O 34 ) 2 ]·46H 2 O, a new mineral with a heteropolytungstate tri-lacunary Keggin anion

Allendeite (Sc 4 Zr 3 O 12 ) and hexamolybdenum (Mo,Ru,Fe), two new minerals from an ultrarefractory inclusion from the Allende meteorite

Fluorowardite, NaAl 3 (PO 4 ) 2 (OH) 2 F 2 ·2H 2 O, the fluorine analog of wardite from the Silver Coin mine, Valmy, Nevada

Monipite, MoNiP, a new phosphide mineral in a Ca-Al-rich inclusion from the Allende meteorite