The Journal of Gemmology - Volume 37 No. 6 2021

Figure to accompany the article:

Vielzeuf D., Giordano B., Devidal J.-L., Ricolleau A., Perrin J., Balme-Heuze C. and Floquet N. 2021. Identification of precious corals (Corallium rubrum vs C. japonicum) using LA-ICP-MS analysis. Journal of Gemmology, 37(6), 2021, 596–607, https://doi.org/10.15506/JoG.2021.37.6.596.

Vielzeuf-figure.pdf


Photomicrographs and petrographic investigations to accompany the article:

Hänni H.A., Brunk R. and Franz L. 2021. An investigation of grinding hardness of some ornamental stones. Journal of Gemmology, 37(6), 2021, 632–643, https://doi.org/10.15506/JoG.2021.37.6.632.

Hanni-Petrography.pdf
Hanni-Photomicrographs.pdf 

 

Read more...

The Journal of Gemmology - Volume 37 No. 5 2021

Text-format x,y data to accompany the unoriented Raman spectrum (473 nm excitation) in the Gem Note:

Chanmuang N., C., Nasdala, L., Wildner, M., Škoda, R. & Zoysa, E.G. 2021. Gem Notes: Spectroscopic study of serendibite from Sri Lanka. Journal of Gemmology, 37(5), 451–454,

Serendibite Raman473.txt


Sample list, elements analysed by LA-ICP-TOF-MS, and rotational scatter plots (video clips) to accompany the article:

Krzemnicki, M.S., Wang, H.A.O. & Büche, S. 2021. A new type of emerald from Afghanistan’s Panjshir Valley. Journal of Gemmology, 37(5), 474–495, https://doi.org/10.15506/JoG.2021.37.5.474

Krzemnicki Table DD-1.pdf
Krzemnicki Figure DD-1.pdf
Krzemnicki Fig17_Ga-Fe-Mn.mp4
Krzemnicki Fig17_Li-Cs-Fe.mp4
Krzemnicki Fig17_Li-Mn-Fe.mp4
Krzemnicki Fig17_Rb-Tl-Cs.mp4
Krzemnicki Fig18_Ni-Rb-Cs.mp4
Krzemnicki Fig20_tSNE.mp4


Sample photos to accompany the article:

Suwanmanee, W., Wanthanachaisaeng, B., Utapong, T. & Sutthirat, C. 2021. Colour enhancement of pink tourmaline from Nigeria by electron-beam and gamma irradiation. Journal of Gemmology, 37(5), 514–526, https://doi.org/10.15506/JoG.2021.37.5.514

Suwanmanee Figures.pdf

 

 

Read more...
Subscribe to this RSS feed