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Ruby & Sapphire by
R.W. Hughes

Raman
Spectroscopy in Archaeology
and Art History (with a chapter coauthored
by Dr. L. Kiefert)

Gems by Robert Webster (with chapters by R.W. Hughes)

Handbook of Raman Spectroscopy (with chapters coauthored
by Dr. L. Kiefert)

Corundum by R.W. Hughes |
Dr.
Lore Kiefert – Laboratory
Director
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Schmetzer,
K., Kiefert, L.,
Bernhardt, H.-J. & Burford,
M. (2005) Gem-quality
musgravite from Sri
Lanka. Journal
of Gemmology, Vol.
29, 281–289.
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Kiefert,
L., Chalain, J.-P. & Häberli,
S. (2005) Case Study:
Diamonds, Gemstones
and Pearls: From
the Past to the Present.
Chapter 22 in: Edwards,
H.G.M. & Chalmers,
J.M. (Eds): Raman
Spectroscopy in Archaeology
and Art History. Royal
Society of Chemistry,
Cambridge, XXI +
476 pp.
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Hänni,
H.A., Kiefert, L.,
Chalain, J.P. & Krzemnicki,
M.S. (2004) Are
new sapphires from
Sri Lanka diffusion-treated
or not? Jewellery
News Asia,
March, pp. 88–90.
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Kiefert,
L., McLaurin Moreno,
D., Arizmendi, E.,
Hänni, H.A. & Elen,
S. (2004) Cultured pearls from the Gulf of California, Mexico. Gems & Gemology, Vol. 40, No. 1, pp. 26–38.
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Kiefert,
L. (2003) Rainbow
calsilica. Journal
of the Gemmological
Association of Hong
Kong. Vol.
24, pp. 41–46.
- Schmetzer,
K., Hainschwang,
T., Bernhardt, H.-J. & Kiefert,
L. (2002) New
chromium- and vanadium-bearing
garnets from Tranoroa,
Madagascar. Gems & Gemology, Vol. 38,
No. 2,
pp. 148–155.
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Kiefert,
L. (2002) Emerald
Treatments. The processes
and how to recognize
them. In: Emeralds
of the World, ExtraLapis
English No. 2,
pp. 79–81.
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Kiefert,
L., Schmetzer, K. & Hänni,
H.A. (2002) Russian
synthetic moissanite.
Ed.: Jehlicka, J. & Kühn,
J.: Georaman 2002,
5th International
Conference on Raman
Spectroscopy Applied
to the Earth Sciences,
Prague, Czech Republic,
June 12–15,
2002. In: Acta
Universitatis Carolinae
Geologica, Vol. 46,
No. 1, pp. 40–41.
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Schmetzer,
K., Hainschwang,
T., Kiefert, L. & Bernhardt,
H.-J. (2001) Pink
to pinkish orange
malaya garnets from
Bekily, Madagascar. Gems & Gemology, Vol. 37,
No. 4, pp. 296–308.
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Kiefert,
L., Hänni, H.A. & Ostertag,
T. (2001) Raman
Spectroscopic Applications
to Gemmology. In Handbook
of Raman Spectroscopy,
I.R.Lewis & H.G.M.Edwards
(Editors), Marcel
Dekker, Inc., New
York, Chapter 11,
pp. 469–489.
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Kiefert,
L. and Hänni,
H.A. (2000) Gem-quality
haüyne
from the Eifel District,
Germany. Gems & Gemology,
Vol. 36, No. 3,
pp. 246–253.
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Kiefert,
L., Hänni, H.A. & Chalain,
J-P. (2000): Identification
of gemstone treatments
with Raman Spectroscopy.
Optical Devices
and Diagnostics in
Materials Science.
Andrews, D.L., Asakura,
T., Jutamulia, S.,
Kirk, W.P., Lagally,
M.G., Lal, R.B. & Trolinger,
J.D. (Eds.), Proceedings
of SPIE, Vol. 4098241-251.
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Kiefert,
L, Hänni, H.A.,
Chalain, J.P. & Weber,
W. (1999) Identification
of filler substances
in emeralds by infrared
and Raman spectroscopy. Journal
of Gemmology,
Vol. 26, No. 8,
pp. 501–520.
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Hänni,
H.A., Schubiger,
B., Kiefert, L. & Häberli,
S. (1998) Raman
investigations on
two historical objects
from Basel cathedral:
The reliquary cross
and Dorothy monstrance. Gems & Gemology,
Vol. 34, No. 2,
pp. 102–114.
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Schmetzer,
K. & Kiefert,
L. (1998) The
colour of Igmerald
(I.G. Farbenindustrie
flux-grown synthetic
emerald). Journal
of Gemmology,
Vol. 26, No. 3, pp. 64–84.
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Schmetzer,
K., Kiefert, L.,
Bernhardt, H.J.,
Zhang, B. (1997):
Characterization
of Chinese hydrothermal
synthetic emerald. Gems & Gemology,
Vol. 33, No. 4,
pp. 276–291.
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Hänni,
H.A., Kiefert, L.,
Chalain, J-P. & Wilcock,
I.C. (1997) A
Raman microscope
in the gemmological
laboratory: first
experiences of application. Journal
of Gemmology,
Vol. 25, No. 6,
pp. 394–406.
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Kiefert,
L. & Schmidt,
S. Th. (1996) Some
tanzanite imitations. Gems & Gemology,
Vol. 32, No. 4,
pp. 270–276.
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Kiefert,
L., Schmetzer, K.,
Krzemnicki, M.S.,
Bernhardt, H.J. & Hänni,
H.A. (1996) Sapphires from the Andranondambo area, Madagascar. Journal of Gemmology, Vol. 25, No. 3, pp. 185–209.
- Hänni,
H.A., Kiefert, L. et
al. (1996)
How to identify fillings
in emeralds using
Raman spectroscopy. Jewellery
News Asia, No. 145,
pp. 154, 156.
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Hänni,
H.A. & Kiefert,L.
(1994) AGEE hydrothermal
synthetic emeralds. JewelSiam, Oct./Nov.,
pp. 80–85.
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Kiefert, L. and Schmetzer, K. (1991) The microscopic determination of structural properties for the characterization of optical uniaxial natural and synthetic gemstones. Part 3: Examples for the applicability of structural features for the distinction of natural and synthetic sapphire, ruby, amethyst and citrine. Journal of Gemmology, Vol. 22, No. 8, pp. 471–482.
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Kiefert, L. and Schmetzer, K. (1988) Morphology and twinning in Chatham synthetic blue sapphire. Journal of Gemmology, Vol. 21, pp. 16–22.
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Kiefert, L. and Schmetzer, K. (1987) Blue and yellow sapphire from Kaduna Province, Nigeria. Journal of Gemmology, Vol. 20, No. 7/8, pp. 427–442.
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Kiefert, L. and Schmetzer, K. (1987) Blaue und gelbe sapphire aus der provinz Kaduna, Nigeria. Zeitschrift der Deutschen Gemmologischen Gesellschaft, Vol. 36, No. 1/2, pp. 61–78.
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Kiefert, L. and Schmetzer, K. (1986) Rosafarbene und violette sapphire aus Nepal. Zeitschrift der Deutschen Gemmologischen Gesellschaft, Vol. 35, No. 3/4, pp. 113–125.
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Kiefert, L. and Schmetzer, K. (1986) Morphologie und zwillingsbildung bei synthetischen blauen sapphiren von Chatham. Zeitschrift der Deutschen Gemmologischen Gesellschaft, Vol. 35, No. 3/4, pp. 127–138.
Richard W. Hughes – Gemological Administrator
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Hughes, R.W., Pardieu, V., Soubiraa, G. and Schorr, D. (2006) Moon over the Pamirs: Chasing ruby and spinel in Tajikistan. www.ruby-sapphire.com.
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Hughes, R.W. (2006) Sorcerers
and sapphires: A visit to Madagascar. The
Guide, January–February 2006, Vol. 25, Issue 1, Part 1,
pp. 1, 4–6.
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Hughes, R.W. and Emmett, J.L. (2005) Heat
seeker: UV fluorescence as a gemological tool. The Guide, Sept.–Oct. 2005,
Vol. 24, Issue 5, Part 1, pp. 1, 4–7.
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Hughes, R.W. and Emmett, J.L. (2004) Fluxed up: The fracture healing of ruby. The Guide,
Vol. 23, Issue 5, Part 1, Sept.–Oct., pp. 1, 4–9. [First
place winner in the 2005 AGS Richard T. Liddicoat Journalism Awards]
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Ellias, C. and Hughes, R.W. (2004) The Kimberley Process: Appeasement comes to the diamond trade. The Guide, Vol. 23, Issue 1, Part 1, Jan.–Feb., pp. 1, 4–7, 15). [Honorable mention in the 2004 AGS Richard T. Liddicoat Journalism Awards]
- Hughes, R.W. and Leber, B. (2003) Banned! Burmese gems in the crossfire. www.ruby-sapphire.com [Honorable mention in the 2004 AGS Richard T. Liddicoat Journalism Awards]
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Emmett, J.L., Scarratt, K., McClure, S.F., Moses, T., Douthit, T.R., Hughes, R., Novak, S., Shigley, J.E., Wuyi Wang, Bordelon, O., Kane, R.E. (2003) Beryllium diffusion of ruby and sapphire. Gems & Gemology, Vol. 39, No. 2, Summer, pp. 84–135. [voted ‘Article of the year’ by the magazine’s readers; first place in the 2004 AGS Richard T. Liddicoat Journalism Awards]
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Hughes, R.W. (2002) Walking the line in ruby & sapphire. The Guide, July/August, Vol. 21, Issue 4, Part 1, pp. 4–8. [Honorable mention in the 2003 AGS Richard T. Liddicoat Journalism Awards]
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Hughes, R.W. (2002) The Skin Game. The Guide, Vol. 21, No. 2, March–April, pp. 3–7.
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Hughes, R.W. (2002) Love and Hate: Max's Millions and the Lao sapphire mine saga. The Guide, Vol. 21, No. 1, Part 1, Jan.–Feb., pp. 4–9, 16.
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Hughes, R.W. (2001) Seeing Red: A guide to ruby connoisseurship. The Guide, Vol. 20, No. 6, Issue 5, Part 1, Nov.–Dec., pp. 4–7, 16.
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Hughes, R.W. (2001) Passion Fruit: A lover's guide to blue sapphire. The Guide, Vol. 20, No. 2, Part 1, March–April., p. 3–5, 15.
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Hughes, R.W., Galibert, O., Bosshart, G., Ward, F., Thet Oo, Smith, M., Tay Thye Sun, Harlow, G.E. (2000) Burmese jade: The inscrutable gem. Gems & Gemology, Vol. 36, No. 1, Spring, pp. 2–26.
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Hughes, R.W. and Sickafus, K.E. (1999) Spinel compounds: Structure and property relations. Journal of the American Ceramic Society, Vol. 82, No. 12, December, pp. 3277–3278.
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Hughes, R.W. (1999) Burma's jade mines: An annotated Occidental history. Journal of the Geo-Literary Society, Vol. 14, No. 1, January, pp. 15–35.
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Hughes, R.W., Galibert, O. et al. (1996–97) Tracing the green line: A journey to Myanmar's jade mines. Jewelers' Circular-Keystone, Vol. 167, No. 11, Nov, pp. 60–65; Vol. 168, No. 1, Jan, pp. 160–166.
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Hughes, R.W. (1992) Vietnam's Quy Chau ruby mines. JewelSiam, Vol. 3, No. 4, July/August, pp. 56–62.
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Hughes, R.W. (1992) Devil's Advocate: Vampire blues: deep-diffusion treated sapphires. JewelSiam, No. 3, May-June, pp. 83–86.
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Hughes, R.W. (1988) Brilliance, windows and extinction in gemstones. Gemological Digest, Vol. 2, Nos. 1 & 2, pp. 10–15.
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Hughes, R.W. (1987) Gem treatments: to disclose or not to disclose. Gemological Digest, Vol. 1, No. 1, pp. 1–2.
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Hughes, R.W. (1987) Diamond grading: Does it work? Gemological Digest, Vol. 1, No. 2, pp. 1–3.
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Hughes, R.W. (1987) Detection of color banding/growth zoning in natural and synthetic yellow/orange sapphires. ICA Lab Alert, No. 5, 1 pp.
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Hughes, R.W. (1984) Surface repaired rubies – a new gem treatment. Jewellery News Asia.
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