The contents of issues of The Journal of Gemmology published prior to 2008 are listed below. Click on issue numbers to view abstracts of articles.

View details of back issues available for purchase.

2007 Vol. 30 (5/6) (7/8)

2006 Vol. 30 (1/2) (3/4)

2005 Vol. 29 (5/6) (7/8)

2004 Vol. 29 (1) (2) (3) (4)

2003 Vol. 28 (5) (6) (7) (8)

2002 Vol. 28 (1) (2) (3) (4)

Volume 30, 2007

30 (7/8)

A description of pearl farming with Pinctada maxima in South East Asia. Professor H.A. Hänni, pp 357-365

Gem-quality taaffeites and musgravites from Africa. Dr Karl Schmetzer, Dr Michael S. Krzemnicki, Prof. Dr Henry A. Hänni,Dr Heinz-Jürgen Bernhardt and Prof. Dr Thomas Pettke. pp 367-382

Some observations on the composition and origin of opals from Java. H.C. Einfalt, pp 383-398

Vaterite in freshwater cultured pearls from China and Japan. U. Wehrmeister, D. E. Jacob, A. L. Soldati, T. Häger and W. Hofmeister. pp 399-412

Vanadium-bearing gem-quality tourmalines from Madagascar. Dr Karl Schmetzer, Dr Heinz-Jürgen Bernhardt, Christian Dunaigre and Dr Michael S. Krzemnicki. pp 413-433

Clarification of measurement of the RIs of biaxial gemstones on the refractometer. B. Darko Sturman. pp 434-442

Determination of the optic axial angle in biaxial gemstones and its use in gemmology. B. Darko Sturman. pp 443-452

Obituary: David George Kent. p. 477

30 (5/6)

Formation of large synthetic zincite (ZnO) crystals during production of zinc white. John W. Nowak, R.S.W. Braithwaite, J. Nowak, K. Ostojski, M. Krystek and W. Buchowiecki. pp 257-267

Colour zoning in heat-treated yellow to yellowish-orange Montana sapphires. Dr Karl Schmetzer and Dr Dietmar Schwarz. pp 268-278

Cape Breton ruby, a new Canadian gemstone discovery, Cape Breton Island, Nova Scotia. David J. Mossman, James D. Duivenvoorden and Fenton M. Isenor. pp 279-286

Better refractometer results with the Bright Line technique. Dr D. B. Hoover FGA, FGAA (Hon.) and C. Williams FGA. pp 287-296

The effect of heat treatment on colour, quality and inclusions of aquamarine from China. Yang Ruzeng, Xu Hongyi and Li Minjie. pp 297-301

A remarkably large clinohumite. Gagan Choudhary and Chaman Golecha . pp 303-306

Gem-quality garnets: correlations between gemmological properties, chemical composition and infrared spectroscopy. Ilaria Adamo, Alessandro Pavese, Loredana Prosperi, Valeria Diella and David Ajò. pp 307-319

Accordance in round brilliant diamond cutting. Michael Cowing, FGA. pp 320-330

The causes of colour variation in Kashan synthetic rubies and pink sapphires. Dr Karl Schmetzer and Dr Dietmar Schwarz. pp 331-337

Volume 30, 2006 

30 (3/4)

Obituary: R. Keith Mitchell. p 129

The role of Be, Mg, Fe and Ti in causing colour in corundum. Dr Visut Pisutha-Arnond, Dr Tobias Häger, Wilawan Atichat and Dr Pornsawat Wathanakul. pp 131-143

A new find of sapphire placer deposits on Nosy-Bé, Madagascar. Dr Reinhard Ramdohr and Dr Claudio C. Milisenda. pp 144-154

Chrysocolla quartz from the Bacan Archipelago, South Halmahera Regency, North Maluku Province, Indonesia. H.C. Einfalt and H. Sujatmiko. pp 155-168

Crowning glory: the identification of gems on the head reliquary of St Eustace from the Basle Cathedral Treasury. Louise Joyner, Ian Freestone and James Robinson. pp 169-182

The orientation and symmetry of light spots and asterism in rose quartz spheres from Madagascar. Dr Karl Schmetzer and Dr Michael Krzemnicki. pp 183-191

Identification of the horse origin of teeth used to make the Japanese ‘kakuten’ using DNA analysis. Hironaga Kakoi, Masahiko Kurosawa, Hiroshi Tsuneki and Ikuko Kimura. pp 193-199

A colorimetric study of a tourmaline from Mozambique which shows a reverse alexandrite effect. Yan Liu and B. A. Fry. pp 201-206

Fuchsite quartzite as an imitation of emerald. Pedro Luiz Juchem, Tania Mara Martini de Brum, Adriane Comin Fischer, Naira Maria Balzaretti and Adolpho Herbert Augustin. pp 207-214

Characterization of omphacite jade from the Po valley, Piedmont, Italy. Ilaria Adamo , Alessandro Pavese, Loredana Prosperi, Valeria Diella, David Ajò, Monica Dapiaggi , Carlo Mora, Franco Manavella, Franco Salusso and Valter Giuliano. pp 215-226

Dyed polymer-impregnated jadeite jade: identification by light-induced autofluorescence spectroscopy. T. L. Tan, P. L. Chong and K.Y. Seah. pp 227-233

30 (1/2) 

The Usambara effect and its interaction with other colour change phenomena. Asbjørn Halvorsen. pp 1-21

Determination of the origin of blue sapphire using Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS).Ahmadjan Abduriyim and Hiroshi Kitawaki. pp 23-36

Rubies with lead glass fracture fillings. Claudio C. Milisenda, Yoichi Horikawa, Yuji Manaka and Ulrich Henn. pp 37-42

A note on a pearl attached to the interior of Crassostrea virginica (Gmelin, 1791) (an edible oyster, common names, American or Eastern oyster). Kenneth Scarratt, Carol Pearce and Paul Johnson. pp 43-50

A short review of the use of ‘keshi’ as a term to describe pearls. Professor Dr H. A. Hänni.
pp 51-58

A new type of Tairus hydrothermally-grown synthetic emerald, coloured by vanadium and copper.  Dr Karl Schmetzer, Dr Dietmar Schwarz, Dr Heinz-Jürgen Bernhardt and Dr Tobias Häger. pp 59-74

The identification value of the 2293 cm-1 infrared absorption band in natural and hydrothermal synthetic emeralds. J.M. Duroc-Danner. pp 75-82

Surface coating of gemstones, especially topaz – a review of recent patent literature. Dr Karl Schmetzer. pp 83-90

Gem minerals from the Saranovskoye chromite deposit, western Urals. Ernst M. Spiridonov, Maria S. Alferova, Talgat G. Fattykhov. pp 91-102

Volume 29, 2005

29 (7/8)

A venture into the interior of natural diamond: genetic information and implications for the gem industry. Part 1: The main types of internal growth structures. G.P. Bulanova,  A.V. Varshavsky and V.A. Kotegov, pp377-386

As-grown, green synthetic diamonds. Christopher M. Breeding, James E. Shigley and Andy H. Shen, pp 387-394

Iridescent colours of the abalone shell (Haliotis glabra). T. L. Tan, D. Wong and P. Lee, pp 395-399

Diffraction Enhanced Imaging: a new X-ray method for detecting internal pearl structures. Jochen Schlüter, Michael Lohmann, Joachim Metge and Bernd Reime, pp 401-406

A microscope-based screening system to identify natural and treated sapphires in the yellow to reddish-orange colour range. Dr Karl Schmetzer and Dr Dietmar Schwarz, pp 407-449

Growth of hexagonal bipyramidal ruby crystals by the evaporation of molybdenum trioxide flux. Katsuya Teshima, Hitoshi Kondo, and Shuji Oishi, pp 450-454

Sapphire diffusion treatment and the behaviour of iron and titanium. Yang Ruzeng, Yang Yuan and Xu Hongyi, pp 455-460

Two remarkable taaffeite crystals from Sri Lanka. Dr Karl Schmetzer, Dr Lore Kiefert, Dr Heinz-Jürgen Bernhardt and Murray Burford, pp 461-467

Nephrite jade from Scortaseo, Switzerland. Dr Douglas Nichol and Herbert Giess, pp 467-472

Crossed filters revisited. Dr D.B. Hoover FGA and Bear Williams CG, pp 473-481

29 (5/6)

Professor Dr Edward Joseph Gübelin. A tribute by E. Alan Jobbins, pp 257-259
 
HPHT treatment of different classes of type I brown diamonds. Thomas Hainschwang, Andrey Katrusha and Heiner Vollstaedt, pp 261-273

Describing diamond beauty — assessing the optical performance of a diamond. Michael D. Cowing, FGA, pp 274-280

Gem-quality musgravite from Sri Lanka.  Dr Karl Schmetzer, Dr Lore Kiefert, Dr Heinz-Jürgen Bernhardt and Murray Burford, pp 281-289

Iron- and zinc-rich gem-quality taaffeites from Sri Lanka. Dr Karl Schmetzer, Dr Lore Kiefert, Dr Heinz-Jürgen Bernhardt, Murray Burford and Dunil Palitha Gunasekara, pp 290-298

Note on nephrite jade from Val Faller, Switzerland.Dr Douglas Nichol and Herbert Giess, pp 299-304

Nephrite jade from Mastabia in Val Malenco, Italy. Douglas Nichol and Herbert Giess, pp 305-311

Stereoscopic effect in asterism and chatoyancy. Harold Killingback FGA, pp 312-315

Identification of an imitation pearl by FTIR, EDXRF and SEM. T.L. Tan, T.S. Tay, S.K. Khairoman and Y.C. Low, pp 316-324

X-ray luminescence, a valuable test in pearl identification. Professor Dr H.A. Hänni, Dr L. Kiefert and P. Giese, pp 325-329

The variation of RI with rotation of a doubly refractive gemstone on the refractometer hemicylinder. Xinhua Song, Ruihua Wu and Weizheng Wu, pp 331-340

Use of the polarizing filter on the refractometer. B. Darko Sturman, pp 341-340

Volume 29, 2004

29 (4)

Pearls from the lion’s paw scallop. Kenneth Scarratt and Henry Hänni. pp 193-203

A treatment study of Brazilian garnets. Sigrid G. Eeckhout, Antonio C.S. Sabioni and Ana Claudia M. Ferreira, pp 205-214

The nature of channel constituents in hydrothermal synthetic emerald. Rudolf I. Mashkovtsev and Sergey Z. Smirnov, pp 215-227

A new definition of optic axis for gemmology. Richard H. Cartier, pp 228-234

29 (3)

Gem corundum deposits in Vietnam. Pham Van Long, Hoàng Quang Vinh, Virginie Garnier, Gaston Giuliani, Daniel Ohnenstetter, Thérèse Lhomme, Dietmar Schwarz, Anthony Fallick, Jean Dubessy and Phan Trong Trinh, pp 129-147

The causes of colour in untreated, heat treated and diffusion treated orange and pinkish-orange sapphires – a review. Dr Karl Schmetzer and Dr Dietmar Schwarz, pp 149-182

29 (2)

Asterism in beryl, aquamarine and emerald — an update. Dr Karl Schmetzer, Dr Lore Kiefert and Professor Dr Henry A. Hänni. pp 65-71

Aventurescent oligoclase feldspar from Oregon, USA. Dr Ulrich Henn. pp. 72-74

Pezzottaite, a new mineral and gem. Professor Dr H.A. Hänni and Dr M.S. Krzemnicki. pp. 75-76

Yellow and brown coloration in beryllium-treated sapphires. Visut Pisutha-Arnond, Tobias Häger, Pornsawat Wathanakul and Wilawan Atichat. pp. 77-103

Nephrite jade in Finland. Dr Douglas Nichol. pp 105-108

29 (1)

Coiled ‘rutile’ whiskers in a quartz single crystal. Ichiro Sunagawa, E. Alan Jobbins and Emma Tinnyunt. pp 1-7

Colour zoning and composition of ruby-sapphire from Westland, New Zealand. Rodney H. Grapes and Paul W. O. Hoskin. pp. 8-14

Red and green labradorite feldspar from Congo. Michael S. Krzemnicki. pp 15-23

Optimizing faceting for beauty. Anton V. Vasiliev, translated by Bruce L. Harding.  pp. 25-3

The microstructures of the shell and cultured blister pearls of Pteria penguin from Sanya, Hainan, China. Huang Fengming, Chen Zhonghui, Tong Hua, Zhou Ying, Zhang Ziqi and Yang Mingxing. pp 37-47

Volume 28, 2003

28 (8)

Pearl cultivation in Donggou, Ezhou, Hubei, and cathodoluminescence of cultured pearls. Huang Fengming, Yun Xinqiang, Yang Mingxing and Chen Zhonghui. pp 449-462

Nephrite jade from Sestri Levante, Italy. Dr D. Nichol. pp 463-471

Chemical fingerprinting of some East African gem rubies by Laser Ablation ICP-MS. A.H. Rankin, J. Greenwood and D. Hargreaves. pp 473-482

A Verneuil synthetic ruby showing diverse veil-like ‘fingerprints’. J.M. Duroc-Danner, Dip.IUED, DUG, FGA, GG. pp 483-488

A note on the directions of maximum double refraction divergence (DD) in uniaxial and biaxial stones. R.H. Cartier. pp 489-493

28 (7)

An anorthite-ruby-paragasite picotite assemblage. Dr Karl Schmetzer, Dr Heinz-Jürgen Bernhardt and Professor Edward J. Gübelin. pp 385-391

Identification of an impregnated quartz imitation of jade. T.L. Tan, T.S. Tay, B.L. Tan and W.H. Tan. pp 393-398

Trace elements in Thai gem corundums. S. Saminpanya, D.A.C. Manning, G.T.R. Droop and C.M.B. Henderson. pp 399-415

Caesium-rich morganite from Afghanistan and Madagascar. Pro. Dr H.A. Hanni FGA and Dr M.S. Krzemnicki FGA. pp 417-429

28 (6)

Multi-star quartzes from Sri Lanka. Dr Karl Schmetzer and Maximilian Glas. pp 321-332

Horse-trail inclusions in demantoid garnet from Val Malenco, Italy. Paul W.O. Hoskin, Rodney H. Grapes, Honza Catchpole and Jurgis Klaudius. pp 333-336

Recent studies on inky black omphacite jade, a new variety of pyroxene jade. Ou Yang Chiu Mei, Li Jian Qi, Li Hansheng and Bonita Kwok. pp 337-344 

Ornamental marble from Ledmore, Scottish Highlands. Dr Douglas Nichol. pp 345-352

A critical review of the ‘Hanneman refractometer’. D.B. Hoover. pp 353-361

28 (5)

Some effects of extreme heat treatment on zircon inclusions in corundum. A.H. Rankin and W. Edwards. pp 237-264

A new chrome chalcedony occurrence from Westenr Australia. Margot J. Willing FGAA DipDT and Susan M. Stocklmayer FGA FGS. pp 265-279

A note on sky-blue glass with needle-like inclusions. J.M. Duroc-Danner, Dip.IUED, DUG, FGA, GG. pp 280-282

Behaviour of Brazilian imperial topaz at high temperature. A.C.S. Sabioni, G.M. da Costa, J.M. Dereppe, C. Moreaux and C.M. Ferreira. pp 283-290

Natural versus hydrothermal synthetic Russian red beryl: chemical composition and spectroscopic measurements. Marco Fumagalli, Loredana Prosperi, Alessandro Pavese and Silvia Bordiga. pp 291-301

Volume 28, 2002

28 (4)

Development of concave faceting of gemstones. A.D. Morgan. pp 193-209

Doubling of images in gemstones. Darko B. Sturman and Malcolm E. Back. pp 210-22

Birefringence vs. double refraction divergence. Richard Cartier. 223-26

Verneuil synthetic sapphire showing an iron absorption spectrum. J.M. Duroc-Danner, FGA, GG. pp 227-30

A note on two star stones. R.R. Harding. pp 231-34

Gem-quality spessartine-grossular garnet of intermediate composition from Madagascar. Dr Karl Schmetzer and Dr Heinz-Jürgen Bernhardt. pp 235-39

28 (3)

Open channels in near-colourless synthetic moissanite. Taijin Lu, James E. Shigley and John I. Koivula. pp 129-35

A comparison between a flux grown synthetic ruby and an untreated natural ruby. J.M. Duroc-Danner, FGA, GG. pp 137-42

Symmetrical clouds in diamond – the hydrogen connection. Wuyi Wang and Wendi Mayerson. pp 143-52

Gem mining and sustainable environmental management in Sri Lanka. P.G.R. Dharmaratne. pp 153-61

Gem-quality Chondrodite from Balangoda, Sri Lanka. J.C. (Hanco) Zwaan and G. Zoysa. pp 162-68

Light emitting diodes as light sources in portable gemmological instruments. Claude Lamarre. pp 169-74

28 (2)

Natural and heat-treated corundum from Chimwadzulu Hill, Malawi: genetic significance of zircon clusters and diaspore-bearing inclusions. Professor A. H. Rankin. pp 65-75

Notes from the Laboratory. Stephen Kennedy.  pp. 76-80

A note on chocolate-brown opal associated with volcanic rocks in Somaliland. Judith A. Kinnaird. pp. 81-84

Inclusions in gemstones:their cathodoluminescence (CL)and CL spectra. Johann Ponahlo. pp. 85-100

Natural amethyst from the Caxarai Mine, Brazil, with a spectrum containing an absorption peak at 3543 cm^-1. Hiroshi Kitawaki. pp. 101-108

28 (1)

Iridescence of a shell of the abalone Haliotis rufescens caused by diffraction. Y. Liu, K.N. Hurwit and J.E. Shigley. pp. 1-6

A highly unusual, 7.34 ct, fancy vivid purple diamond. Thomas M. Moses, John M. King, Wuyi Wang and James E. Shigley. pp. 7-12

Star garnets and star garnet cat’s-eyes from Ambatondrazaka, Madagascar. Dr Karl Schmetzer, Dr Heinz-Jürgen Bernhardt and Dr Lore Kiefert. pp. 13-24

An unusual gem deposit (man made) at Pallebedda, Sri Lanka. M.D.P.L.Francis and P.G.R. Dharmaratne. pp. 25-32

‘Kakuten’ (crane crown), an ojime made of the tooth of a grass-eating animal. Ichiro Sunagawa, Yasushi Takahashi, Ikuko Kimura and Toshio Sakae. pp. 33-40

Fake asterism – two examples. Dr Karl Schmetzer and Martin P. Steinbach. pp. 41-42