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Your search keyword '"Lu, TaiJin"' showing total 7 results
Start Over Author "Lu, TaiJin" Topic gems & precious stones
7 results on '"Lu, TaiJin"'

1. INSTRUMENTS AND TECHNIQUES.

Author

Lu, Taijin, Cole, Jo Ellen, Howie, R. A., Breeding, Christopher M., Jang-Green, HyeJin, and Shigley, James E.

Subjects
*GEMS & precious stones, *DIGITAL image processing, *DIGITAL photography, *JEWELRY
Abstract

The article presents abstracts on instruments and techniques in gemology which include the application and development of digital image processing in gemmology, the use of cameras and computers in photographing jewelry and the use of digital combination photography in improving images of microscopic minerals.

Published
2006

2. GEM LOCALITIES.

Author

Kondo, David M., Lu, Taijin, and Kyaw Soe Moe

Subjects
*GEMS & precious stones, *JADE, *MINES & mineral resources
Abstract

The article presents abstracts on gems which include a description of the three sources of high-quality aquamarine from Minas Gerais, Brazil, an analysis of the chemical composition of nephrites from China and a comparison of mechanical mining and traditional mining in Sri Lanka.

Published
2006

3. COLORED STONES AND ORGANIC MATERIALS.

Author

Lu, Taijin, Shigley, James E., and Howie, R. A.

Subjects
*GEMS & precious stones, *TRACE elements, *RARE earth metals, *PEGMATITES, *PEARLS
Abstract

The article presents abstracts on gemstones which include the determination and distribution characteristics of trace rare earth elements in pearls using inductively coupled plasma mass spectrometry (ICP-MS), assessment of granitic pegmatites and a description of pearls from the lion's paw scallop.

Published
2006

4. JEWELRY HISTORY.

Author

Lu, Taijin and Shor, Russell

Subjects
*JEWELRY -- History, *GEMS & precious stones, *GEM cutting, *GEOLOGY
Abstract

The article presents abstracts on jewelry history which include a description of the characters of gemstones from Liangzhuang King's tomb in Ming Dynasty in Zhongxiang, Hubei Province, China and an exploration of Western lapidary tradition in geological literature.

Published
2006

5. TREATMENTS.

Author

Howie, R. A. and Lu, Taijin

Subjects
*GEMS & precious stones, *RUBIES, *HEMATITE, *AMBER
Abstract

The article presents abstracts on gem-related treatments which include the filling of fractured rubies with glass-forming additives, identification of treated chicken-blood stones and imitations and a description of three dimensional fluorescence spectra representation of natural and treated amber.

Published
2006

6. MISCELLANEOUS.

Author

Johnson, Mary L., Shor, Russell, and Lu, Taijin

Subjects
*GEMS & precious stones, *DIAMONDS, *CONFLICT diamonds, *SILICOSIS
Abstract

The article presents abstracts on gems which include a description of a valuation model for cut diamonds, presentation of a dataset for conflict diamonds and a study on disease status of gem worker's silicosis.

Published
2006

7. ABSTRACTS.

Author

Fritz, Eric A., Shmakin, Boris M., Howie, R. A., Tatje, Rolf, Kondo, David M., Moe, Kyaw Soe, Breeding, Christopher M., Lu, Taijin, HyeJin Jang-Green, Mychaluk, Keith A., Rockwell, Kimberly, Johnson, Mary L., Inns, Alethea, Stone-Sundberg, Jennifer, Shigley, James E., Eaton-Magaña, Sally, Overton, Thomas W., Shor, Russell, and Cole, Jo Ellen

Subjects
*GEMS & precious stones, *GEOCHEMISTRY, *PINCTADA martensii, *PEARLS, *IVORIES (Art objects)
Abstract

The article presents abstracts on topics about gems which include the application of geochemical ratios for delineating gem-bearing sites, the distribution of microelements in Pinctada martensii and its manual nucleus inserted pearl layer, and the impact of supergene conditions on fossil ivory quality.

Published
2006

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