Items where Author is "Hänni, Henry A."

2020

Hänni, Henry A. and Franz, Leander and Wang, Hao. (2020) Deep Purple - Vesuvianit (Idokras) aus Pakistan. Zeitschrift der Deutschen Gemmologischen Gesellschaft, 69 (1-2). pp. 59-64.

2018

Hänni, Henry A. and Franz, Leander and Wang, Hao. (2018) Anorthit-Skarn mit eingestreutem Chrom-Hydrogrossular aus der Gegend von Muslim Bagh, Pakistan. Zeitschrift der Deutschen Gemmologischen Gesellschaft, 67 (1-2). pp. 51-58.

Hänni, Henry A. and Franz, Leander and Wang, Hao. (2018) Anorthite skarn with dispersed chromium-hydrogrossular from Muslim Bagh area, Pakistan. The Australian Gemmologist, 26 (11-12). pp. 286-290.

2016

Hänni, Henry A. and Franz, Leander and Wei, Zhou. (2016) A new deposit of complex fine-grained rocks from Western Pakistan: Sannan-Skarn. Journal of Gems and Gemmology, 5 (18). pp. 1-6.

Hänni, Henry A. and Franz, Leander and Wei, Zhou. (2016) A new ornamental gemstone from Pakistan: Sannan-Skarn. Proceedings of the 5th International Gem and Jewelry Conference (GIT 2016), 1 (1). pp. 55-61.

Hänni, Henry A. and Franz, Leander and Wei, Zhou. (2016) Une nouvelle roche ornamentale du Pakistan: Sannan Skarn. Revue de l'Association Française de Gemmologie (198). pp. 22-24.

2014

Franz, Leander and Thye Sun, Tay and Hänni, Henry A. and De Capitani, Christian and Thanasuthipitak, Theerapongs and Atichat, Wilawan. (2014) A comparative study of jadeite, omphacite and kosmochlor jades from Myanmar, and suggestions for a practical nomenclature. The Journal of Gemmology, 34 (3). pp. 210-229.

2013

Meyer, Joana B. and Cartier, Laurent E. and Pinto-Figueroa, Eric A. and Krzemnicki, Michael S. and Hänni, Henry A. and McDonald, Bruce A. . (2013) DNA Fingerprinting of Pearls to Determine Their Origins. PLoS, 8 (10). e75606.

2010

Krzemnicki, Michael S. and Friess, Sebastian D. and Chalus, Pascal and Hänni, Henry A. and Karampelas, Stefanos. (2010) X-Ray Computed Microtomography: Distinguishing Natural Pearls from Beaded and Non-Beaded Cultured Pearls. Gems & Gemology, 46 (2). pp. 128-134.

2004

Michael S. Krzemnicki, Michael S. and Hänni, Henry A. and Walters, Roy A.. (2004) A New Method for Detecting Be Diffusion-Treated Sapphires: Laser-Induced Breakdown Spectroscopy (LIBS). Gems & Gemology, 40 (4). pp. 314-322.