Garnet spectra

The garnets constitute a group of minerals which share a common structure. Common end member compositions are:

Other, less common end-member compositions are:

Infrared Spectra (generally 4000 - 3000 cm^-1)

GRR 48 core of crystal spectrum; Andradite from Val Malenco, Italy. plotted as 0.443 mm thick, core of the crystal. Data file core;
GRR 48 rim of crystal spectrum. Andradite, Val Malenco, Italy. plotted as 0.438 mm thick, outer rim of the crystal. Data file rim
GRR 54 core and rim spectra. Andradite from Stanley Butte, Arizona. plotted as 0.34 mm. Data files: core; rim
GRR 1765 image; Andradite (variety yellowish-green demantoid), locality unknown, but probably Russia data file
GRR 62952 image; Andradite (variety bright green demantoid), Russia. data file

GRR 771 image. Grossular, Tanzania; 0.5 mm thick. Ref: Rossman and Aines (1991) American Mineralogist 76, 1153-1164. data file, 36K
GRR 1358 image. Hydrogrossular, Commercial Quarry, Crestmore, California; 0.025 mm thick. Ref: Rossman and Aines (1991) American Mineralogist 76, 1153-1164. data file, 7K

GRR 991 image; A low OH content pyrope, Williams diatreme, Montana data file
GRR 1721 image; Pyrope, Hanaus Farm, Namibia data file
GRR 1682 spectrum image; A dry pyrope, Coromandel, Minas Gerais, Brazil. data file
GRR 1714 spectrum image: pyrope, Dohghai, Jiangsu Province, China. data file

GRR 1431 spectra. Uvarovite from bissersk, Russia. Plotted as 0.016 mm thick. Core and rim spectra. Data files: core; rim
GRR 1432 spectrum. Uvarovite from Makri, Turkey. Plotted as 0.110 mm thick. Data file.
GRR 1434 spectra. Uvarovite from Jacksonville, California. Core and rim. Plotted as 0.105 mm thick. Data files: core; rim
GRR 2484 spectrum. Uvarovite from Outokumpu, Finland. Plotted as 0.674 mm. Data file

page last updated: 4-Aug-2022