The Journal of Gemmology’s Data Depository includes freely downloadable reference materials, such as additional data, photos and other media supplied by authors to accompany articles published in The Journal.
Additional photos to accompany the article:
Fritsch E. and Ivey J., 2018. Bumble Bee Stone: A bright yellow-to-orange and black patterned gem from West Java, Indonesia. Journal of Gemmology, 36(3), 228–238, http://doi.org/10.15506/JoG.2018.36.3.228
Additional photos to accompany the article:
Bui T.N., Deliousi K., Malik T.K. and De Corte K., 2015. From exsolution to ‘gold sheen’: A new variety of corundum. Journal of Gemmology, 34(8), 678–691, http://dx.doi.org/10.15506/JoG.2015.34.8.678
Franz L., Tay Thye Sun, Wirth R., de Capitani C. and Loke Hui Ying, 2016. Violet-to-blue ‘Nuummite’ from Simiuttat, Greenland: Origin of iridescence and conditions of formation. Journal of Gemmology, 35(4), 330–339, http://dx.doi.org/10.15506/JoG.2016.35.4.330.
Additional plots to accompany Figure 8 of the article:
Wang H.A.O., Krzemnicki M.S., Chalain J.P., Lefèvre P., Zhou W. and Cartier L.E., 2016. Simultaneous high sensitivity trace-element and isotopic analysis of gemstones using laser ablation inductively coupled plasma time-of-flight mass spectrometry. Journal of Gemmology, 35(3), 212–223, http://dx.doi.org/10.15506/JoG.2016.35.3.212.
Additional examples of EDXRF spectra, to accompany the article:
Herzog F.A., 2015. The potential of a portable EDXRF spectrometer for gemmology. Journal of Gemmology, 34(5), 404–418, http://dx.doi.org/10.15506/jog.2015.34.5.404
(1) Gemmological properties, modal proportions and petrographic names of Myanmar jade samples and (2) electron microbe data, to accompany the article:
Franz L., Tay Thye Sun, Hänni H.A., de Capitani C., Thanasuthipitak T. and Atichat W., 2014. A comparative study of jadeite, omphacite and kosmochlor jades from Myanmar, and suggestions for a practical nomenclature. Journal of Gemmology, 34(3), 210–229, http://dx.doi.org/10.15506/JoG.2014.34.3.210.
JoG2014_34_3 Depository-Franz-Gem Data
JoG2014_34_3 Depository-Franz-EMPA
Video showing the internal structures within a reconstructed three-dimensional model of the Sleeping Lion pearl, to accompany the article:
Zwaan J.C., van der Marel D.M. and Dommisse H.A., 2014. The “Sleeping Lion” Baroque Pearl: An Update. Journal of Gemmology, 34(3), 248–253, http://dx.doi.org/10.15506/
JoG2014_34_3 Depository-Zwaan.avi
Video of an Ethiopian opal showing full diffraction rainbows that project above the surface of the stone, to accompany the article:
Mazzero F. and Muth A., 2014. Gem Notes: The Mirasety Ring: An Ethiopian ‘Rainbow’ Opal Set with a Hologram. Journal of Gemmology, 34(3), 205–206.
JoG2018_36_3 Depository Fritsch