Fluorescent oil inclusions in quartzDE GOUTIERE, A.1994, Vol 24, Num 2, pp 84-85, issn 0375-6734Article

Gem thaumasite from the Black Rock Mine, South AfricaHENN, U; REDMANN, M; BANK, H et al.1991, Vol 22, Num 6, pp 334-336, issn 0375-6734, 3 p.Article

Anomalous behaviour of certain geuda corundums during heat treatmentPERERA, S.I; PHIL, M; PANNILA, A.S et al.1991, Vol 22, Num 7, pp 405-407, issn 0375-6734Article

Gemmological investigation of a synthetic spinel crystal from the Soviet UnionKOIVULA, J.I; KAMERLING, R.C; FRITSCH, E et al.1991, Vol 22, Num 5, pp 300-304, issn 0375-6734Article

An unusual agate from Guyana = Une agate inhabituelle du GuianaGOSLING, J.G.1990, Vol 22, Num 2, pp 76-82, issn 0375-6734Article

Sapphirine from the Kolonne area, Sri Lanka = La sapphirine de la région de Kolonne au Sri LankaHARDING, R.R; GAMINI ZOYSA, E.1990, Vol 22, Num 3, pp 136-141, issn 0375-6734Article

Hematite inclusions in Enyang amethyst from Korea = Inclusions d'hématite dans l'améthyste de Enyang en CoréeWON-SA KIM.1990, Vol 22, Num 4, pp 204-206, issn 0375-6734, 3 p.Article

The four optical attributes of a diamond = Les quatre propriétés optiques d'un diamantNELSON, J.B.1989, Vol 21, Num 7, pp 434-447, issn 0375-6734Article

Yellowish-green Gilson synthetic emerald = L'émeraude synthétique Gilson vert-jaunâtreSCHMETZER, K.1989, Vol 21, Num 5, pp 305-307, issn 0375-6734Article

Characterization of Russian hydrothermally-grown synthetic emeralds = Caractérisation d'émeraudes synthétiques d'origine hydrothermale de RussieSCHMETZER, K.1988, Vol 21, Num 3, pp 145-164, issn 0375-6734Article

Lechleitner synthetic rubies with natural seed and synthetic overgrowth = Rubis synthétique Lechleitner à croissante naturelle et exceptionnelleSCHMETZER, K; BANK, H.1988, Vol 21, Num 2, pp 95-101, issn 0375-6734Article

Notes from the Laboratory - 12 = Notes de laboratoire - 12SCARRATT, K.1988, Vol 21, Num 3, pp 131-139, issn 0375-6734Article

Quantitative cathodoluminescence - a modern approach to gemstone recognition = La catholuminescence quantitative - une approche moderne de la reconnaissance des gemmesPONAHLO, J.1988, Vol 21, Num 3, pp 182-193, issn 0375-6734Article

Diaspore, a rare faceted gem = Le diaspore, une gemme taillée rareDUROC-DANNER, J.M.1987, Vol 20, Num 6, pp 371-375, issn 0375-6734Article

Further development of a computer program for gem identification = Nouveau développement d'un programme informatisé pour la détermination des gemmesREAD, P.G.1987, Vol 20, Num 7-8, pp 467-473, issn 0375-6734Article

The emeralds of the Belmont Mine, Minas Gerais, Brazil = Les émeraudes de la mine de Belmont, Minas Gerais, BrésilHANNI, H.A; SCHWARZ, D; FISCHER, M et al.1987, Vol 20, Num 7-8, pp 446-456, issn 0375-6734Article

Inclusion in opal = Les inclusions dans l'opaleGUBELIN, E; KOIVULA, J.I.1986, Vol 20, Num 3, pp 139-144, issn 0375-6734Article

On the problems of using the gallium content as a means of distinction between natural and synthetic gemstones = Sur les problemes posés par l'utilisation de la teneur en gallium comme moyen de distinction entre les gemmes naturelles et synthétiquesSCHRADER, H.W; HENN, U.1986, Vol 20, Num 2, pp 100-113, issn 0375-6734Article

Possibilities and limitations in radiographic determination of pearls = Possibilités et limites offertes par la détermination aux RX des perlesLORENZ, I; SCHMETZER, K.1986, Vol 20, Num 2, pp 114-123, issn 0375-6734Article

A device to facilitate the measurement of birefringence in gemstonesFARRIMOND, T.1994, Vol 24, Num 2, pp 105-108, issn 0375-6734Article

Observations of red beryl crystals from the Wah Wah mountains, UtahHOSAKA, M; TUBOKAWA, K; HATUSHIKA, T et al.1993, Vol 23, Num 7, pp 409-411, issn 0375-6734Article

Radiation-induced colour change in natural and synthetic emeraldSCHMETZER, K.1993, Vol 23, Num 5, pp 288-293, issn 0375-6734Article

Towards a mathematical gemmology. Thinking in terms of ratios makes a differenceSCHELL, M.A.1993, Vol 23, Num 7, pp 422-426, issn 0375-6734Article

Gemmological properties of Type Ia diamonds with an unusually high hydrogen contentFRITSCH, E; SCARRATT, K.1993, Vol 23, Num 6, pp 451-460, issn 0375-6734Article

Vanadian grossular garnet (tsavorite) from PakistanJACKSON, B.1992, Vol 23, Num 2, pp 67-70, issn 0375-6734Article