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Volume 18,
February 1992 - December 1994
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Volume 18, Number 1, February 1992
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HALOGEN LAMPS - A WARNING
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Instrument Evaluation Committee
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2
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TRADE EMBARGO ON CORAL
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G. Brown
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5
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THE MINTABIE OPALFIELD
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I.J. Townsend
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7
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AN UNUSUAL ALEXANDRITE
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U.
Henn, H. Bank
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13
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| BLUE-GREEN EMERALD – TERMINOLOGY
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H.A. Hanni
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16
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| ASSEMBLED OPAL FROM MEXICO
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R.C.
Kammerling, J.I. Koivula
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19
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| CORUNDUM VEINLETS IN RUBY
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Sun Xian Ru
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22
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Volume 18, Number 2, May 1992
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| CARE AND CLEANING OF GEM MATERIALS
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Memory Stather
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34
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| GEMS AROUND AUSTRALIA
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HyIda Bracewell
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38
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| ROBOTIC OPAL-CUTTING
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A. Cody
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40
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| GREENSTONE FROM MYANMAR
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U. Tin Hlaing
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42
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| VIETNAMESE RUBY: DISCRIMINATION
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G. Brown
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43
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| TORRINGTON EMERALD
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Grant Pearson
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47
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| MATERIAL LOSS WHEN SAWING DIAMOND
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Y.
Kerremans, E. Wanten
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49
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| FIBRE EYE
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Study Club Report
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52
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| BEAD BUYER'S FILTER SET
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Instrument Evaluation Committee
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54
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| GEMMOLOGY STUDY CLUB LAB REPORTS
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56
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Volume 18, Number 3, August
1992
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| SAPPHIRES AND RUBIES FROM VOLCANIC PROVINCES
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R.R. Coenraads
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70
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| MYANMAR JADE: AN UPDATE
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U. Tin Hlaing
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79
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| SPECTROSCOPIC STUDY OF BIRON PINK BERYL
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E. Fritsch, S. Mulmeister & A. Birkner
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81
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| IMITATION LAPIS LAZULI, CHAROITE & AZURITE-MALACHITE
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D. Bennett &
J.I. Keeling
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83
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| ALMANDINE GARNET FROM ANTARCTICA
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I. L. Keeling &
R.B. Flint
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85
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| E.S.R. SPECTRUM OF TORRINGTON EMERALD
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D.R. Hutton &
G.J. Troup
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89
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Volume 18, Number 4, November 1992
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46th FEDERAL CONFERENCE REPORT
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Federal Secretary
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102
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THE AUSTRALIAN SAPPHIRE INDUSTRY
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T.S. Coldham
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104
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VIETNAM RUBY FAKES
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G. Brown, R. Beattie
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108
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SCAPOLITE FROM CHINA
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Zang Peili
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115
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THE CARAT
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R. Hannaford
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117
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THE
G.A.A. IN CHINA
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H. Bracewell
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119
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HOFER COLORCARD
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Instrument Evaluation Committee
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122
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RHODOCHROSITE FROM ARGENTINA
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J.A.
Saadi, J.C. Carlos
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125
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Volume 18, Number 5, February 1993
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UVAROVITE FROM FINLAND
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V.
Henn. H. Bank
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142
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DETERMINATION OF WEIGHT OF A SET STONE
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R.K. Mitchell
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143
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HISTORICAL NOTE ON COLOUR OF OPAL
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D.B. Hoover
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145
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HYDROTHERMAL RUBY FROM RUSSIA
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H.A,
Peretti, C.P. Smith
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149
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MONG HSU RUBY UPDATE
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U. Tin Hlaing
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157
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COMPOSITE IMITATION OF CRYSTAL OPAL
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R.C.
Karnmerling, J.I. Koivula
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162
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SHAN STATES SAPPHIRES
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U. Tin Hlaing
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164
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GEM STUDY CLUB REPORTS
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169
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Volume 18, Number 6, May 1993
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FLUORESCENCE EXCITATION-EMISSION OF Cr-CONTAINING GEMS
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D.B. Hoover,
A.F. Theisen
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182
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COMMUNICATING COLOUR
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G. Brown
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187
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AN IMPORTANT PERIDOT
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G. Webb
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191
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GEMS AROUND AUSTRALIA: 8
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H. Bracewell
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193
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LEOPARDWOOD MOSAIC OPAL
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M.
Sawicki, G. Brown
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195
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RHODONITE FROM
S.E, QUEENSLAND
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G. Brown, H. Bracewell
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197
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GEM TEST LAMP LI 103
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G. Brown
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200
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AN INTRIGUING BLACK NECKLACE
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G. Brown,
S.M.B. KeIly
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200
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Volume 18, Number 7, August 1993
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CULTURED PEARL GRADING
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A. J. Clark
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214
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MAXIXE-TYPE BERYL
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G. Brown
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215
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UNUSUAL TWINNING IN AMETHYST
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Dr. U. Henn
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222
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|
OPALISED FOSSIL
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Australian Museum
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223
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ZEISS STEREOMICROSCOPE
|
Instrument Committee
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225
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COLOUR TREATMENT OF COMMON BERYLS
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Dominique Robert
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231
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ADVANCED REFRACTOMETER TECHNIQUES
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A. Hodgkinson
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231
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TWO ‘DOUBLE STAR’ SAPPHIRES
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J.I.
Koivula, R.C. Kammerling, E. Fritsch
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235
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GEMS AROUND AUSTRALIA: 9
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H. Bracewell
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239
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Volume 18, Number 8, November 1993
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MEMORIAL
W.H. HICKS
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246
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GEM ILLUMINATED IMM ERSION CELL
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T. Linton, R. Beattie, G. Brown
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247
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A.G.L. PORTABLE GEM TESTING KIT
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T. Linton, R. Beattie, G. Brown
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249
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XXIV INTERNATIONAL GEMMOLOGICAL CONFERENCE
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|
250
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SOME FAR NORTHERN OPAL DIGGINGS IN SOUTH AUSTRALIA
|
G. Brown, J, Townsend, K. Endor
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252
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SEM STUDIES OF BLEACHED AND
POLYMER-IMPREGNATED JADEITE
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T. S. Tay, S. Paul, Dr. C. M. Puah
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257
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AUSTRALIAN SYNTHETIC PERICLASE
|
Grahame Brown
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265
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GEMMOLOGY STUDY CLUB LABORATORY REPORT
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|
271
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Volume 18, Number 9, February 1994
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INTRODUCING ESW/EPR SPECTROSCOPY TO GEMMOLOGY
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D.R. Hutton,
G.J. Troup
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278
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PRESIDIUM DIAMOND FACT
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T. Linton, R. Beattie, G. Brown
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279
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THE PEARL INDUSTRY IN QUEENSLAND AND TORRES STRAIT
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T. Ward
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282
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A GARNET LOCATION AT MT.
WYANCAPINNY, NEAR PITTSWORTH, ON THE DARLING DOWNS
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D.N. Cracknell
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285
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ALLUVIAL DIAMOND DEPOSITS OF THE GUANIAM REGION,
BOLIVAR STATE, VENEZUELA
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R.R.
Coenraads, G. Webb, B. Sechos
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287
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NOTES FROM THE MUSEUM
|
G. Webb
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294
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PLEOCHROIC COLOURS AND THEIR RELATED RAYS
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A. Hodgkinson
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295
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|
AUSTRALIAN MABE PEARLS
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G. Brown, H. Mendis
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298
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Volume 18, Number 10,
May
1994
BILL MEMORIAL ISSUE - Part 1
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IN
APPRECIATION
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|
310
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THE
NAME GAME
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R.W.
Hughes
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311
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A COMBINED MAGNETIC RESONANCE AND
GAMMA-IRRADIATION STUDY OF SOME GREEN BERYLS
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D.R. Hutton,
G.J. Troup
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315
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TORRINGTON EMERALD UPDATE
|
K. Schmetzer
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318
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VISUAL OPTICS - THE HODGKINSON METHOD: AN UPDATE
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A. Hodgkinson
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320
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1994 BURMA EMPORIUM
|
R.E. Kane
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322
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MICROSURFACES: A PHOTOESSAY DEDICATED TO BILL HICKS
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J.I Koivula
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323
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NOTES ON ALEXANDRITE CHRYSOBERYL
|
S.J.A. Currie
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326
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MINIATURE FIBRE OPTICS
|
T. Linton
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329
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COMPUTER ASSISTED GEM IDENTIFICATION
|
P. Read
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332
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Volume 18, Number 11,
August
1994
BILL MEMORIAL ISSUE - Part 2
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|
THE ORIGIN, FORMATION AND EMPLACEMENT OF DIAMONDS
|
M. Stather
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342
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HEAT TREATED CORUNDUMS OF SRI LANKA:
THEIR HEAT TREATMENT
|
T.C.
Pemadasa, M.V. Danapala
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346
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RADIOLUCENCY OF DIAMOND AND ITS SIMULANTS
|
R. Coates
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348
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HSA-TAW GREEN TOURMALINE
|
U Tin Hlaing
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352
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|
ROS/GEM OPTICS MODEL RFA 322 REFRACTOMETER
|
R. Shields, B. Neville
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354
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ALMANDINE GARNETS FROM VIETNAM
|
R.C.
Karnmerling, J.I. Koivula
|
356
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|
BRIEF REPORT ON INDONESIAN OPAL
|
C. Lambert, G. Brown
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359
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|
A NEW TYPE OF SYNTHETIC RUBY FROM RUSSIA
|
U. Henn
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362
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Volume 18, Number 12, December 1994
|
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OPAL - AUSTRALIA'S NATIONAL GEMSTONE
|
A. Bartram
|
374
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1994 PRESIDENTIAL ADDRESS
|
C. Stott
|
377
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|
1994 PATRON'S ADDRESS
|
G. Tombs
|
378
|
| FRACTURE FILLED DIAMONDS
|
B. Sechos
|
379
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| GEMLITE POLARISCOPES
|
T. Linton, B.
Neville, A. Shields
|
386
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| TAHITI CULTURED PEARL
|
M. Coeroli
|
388
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Return
to Abstract Index
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