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Volume 11,
February 1971 - November 1973
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| Volume 11, Number 1, February 1971 | ||||
| THE SPECTROSCOPE: MEASURING WAVELENGTHS WITHOUT A BUILT-IN SCALE | H. A. Mortley | 3 | ||
| A GEOLOGICAL CURIOSIT | C. A. Schiffrnann | 5 | ||
| MODERN SYNTHETIC GEMSTONES, PART 1 (A-L) | R. Webster | 9 | ||
| STONES SEEN | J.H. Oughton | 25 | ||
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Volume 11, Number 2, May 1971 |
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| MINERALOGY AND METALLURGY OF GOLD | H. W. Fander | 3 | ||
| GEMSTONES IN THE SYSTEM BeO-MgO-Al2O3-SiO2 | D. R. Hudson | 5 | ||
| MODERN SYNTHETIC GEMSTONES, PART 11 (L-Z) | R. Webster | 11 | ||
| THE CLASSIFICATION OF BLACK OPAL | N.S.W. Opal Research Group | 24 | ||
| SOME,THOUGHTS ON OPAL | J.H. Oughton | 24 | ||
| A BASIS FOR CLASSIFICATION (OF OPAL) | N. Clayton | 25 | ||
| GAA DEFINITION OF BLACK OPAL | Altman & Cherny | 26 | ||
| THE MYTH OF THE GEIERSTEIN OPAL | P.B. Lapworth | 27 | ||
| COMMENTS ON ‘A NEW DESIGN FOR BRILLIANCE PLUS DISPERSION’ | W.R. Eulitz | 28 | ||
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Volume 11, Number 3, August 1971 |
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| MORE CONFUSION WITH SYNTHETIC YELLOW SAPPHIRE | D. McColl, J. H. Oughton | 3 | ||
| KEY FOR IDENTIFICATION OF COMMON CUT AND UNCUT GEMSTONES | D. R. Hudson | 6 | ||
| DIAMONDS FROM SEAWATER | P. W. Leadbeater | 8 | ||
| A CENTURY OF SAPPHIRE MINING | O. Anderson | 11 | ||
| SCANNING MICROSCOPE STUDY OF THE MORPHOLOGY OF OPAL | E. R. Segnit, C. A. Anderson, J. B. Jones | 21 | ||
| STONES SEEN | J.H. Oughton | 26 | ||
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Volume 11, Number 4, November 1971 |
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| ADHESIVES | H. W. Fander | 3 | ||
| A PROBLEM IN DIAMONDS | R. Webster | 5 | ||
| PHOTOMICROIGRAPHY WITHOUT A CAMERA | C. Lang | 7 | ||
| DISCOURSE ON VALUATION PRINCIPLES | G. A. Tombs | 13 | ||
| BLACK OPAL NOMENCLATURE | A. Kalokerinos | 16 | ||
| FAKES AND FRAUDS - 'CAVEAT EMPTOR' | J. H. Oughton | 17 | ||
| REPLY TO DR EULITZ'S COMMENT | S. Suzuki | 25 | ||
| SPOTTED MATRIX OPAL | P.A. Males | 27 | ||
| BIG W.A. EMERALD CRYSTAL | H.R. Perry | 29 | ||
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Volume 11, Number 5, February 1972 |
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| RUTILATED QUARTZ AND ILMENITE | P. A. Males | 3 | ||
| ANOTHER COLOUR-CHANGING SAPPHIRE | J. H. Oughton | 4 | ||
| GEMSTONES IN THE SYSTEM BeO-MgO-Al2O3-SiO2 | D. R. Hudson | 5 | ||
| BRAZILIANITE | R. J. Reeve | 8 | ||
| NEW OCCURRENCES OF GEM MINERALS IN AUSTRALIA | R.O. Chalmers | 10 | ||
| LABRADORITE LOCATION IN CENTRAL QUEENSLAND | J. H. Oughton | 12 | ||
| RED DIAMONDS FROM SIBERIA | International Diamonds Annual | 14 | ||
| OPAL NOMENCLATURE DISCUSSION | 23 | |||
| STONES SEEN | J.H. Oughton | 26 | ||
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Volume 11, Number 6, May 1972 |
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| SOME EXPERIENCES AND INVESTIGATIONS INTO DAMAGE TO GEMSTONES | R. Webster | 3 | ||
| VALUATION PRINCIPLES APPLIED TO COLOURED GEMSTONES | G. A. Tombs | 9 | ||
| DOUBLETS, A CONTINUING FACTOR IN THE GEMSTONE MARKET | P. C. Callaway | 15 | ||
| ARE YOU SURE IT'S TOPAZ? | F. H. Pough | 17 | ||
| RUSSIAN SYNTHETIC DIAMOND MADE IN 1967 | 19 | |||
| WRONG TO USE MOHS TO MEASURE HARDNESS? | The Canadian Jeweller | 20 | ||
| FLUORITE | H. W. Fander | 25 | ||
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Volume 11, Number 7, August 1972 |
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| WHY CRYSTALLOGRAPHY? | P. A. Males | 3 | ||
| THE LAW AND THE ROLE OF GEMMOLOGY | R. Webster | 7 | ||
| LIGHTNING RIDGE NOBBIES AND THE 'CHINAMAN'S HAT’ | P. A. Males | 17 | ||
| GEMMOLOGY IN JAPAN | D. McLoughlin | 18 | ||
| OPTICAL AND RADIO FREQUENCY SPECTROSCOPY OF IMPURITIES IN BLUE ZOISITE | P. J. Beckwith, D. R. Hutton, G. J. Troup | 20 | ||
| NEW MOSAIC TRIPLET | S.Suzuki | 23 | ||
| INTRODUCTION OF GEMMOLOGY: PART 1. BASIC CHEMISTRY | GAA (Vic. Branch) | 24 | ||
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Volume 11, Number 8, November 1972 |
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| INCLUSIONS IN GEMSTONES | E. Guebelin | 3 | ||
| DIAMOND, YAG AND OTHER SIMULANTS | J. H. Oughton | 15 | ||
| MEET TANZANIA'S FANCY SAPPHIRES | F. H. Pough | 19 | ||
| STONES SEEN | P.A. Males | 23 | ||
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Volume 11, Number 9, February 1973 |
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| SOME ARCHAIC INSTRUMENTS IN PRESENT DAY USE | J. H. Oughton | 4 | ||
| A NEW STYLE OF REFRACTOMETER (RAYNER DIALDEX) | J.H. Oughton | 14 | ||
| INCLUSIONS IN OPAL: INVESTIGATION OF CRYSTAL INCLUSIONS IN A BLACK POTCH 'NOBBY' FROM LIGHTNING RIDGE, N.S.W | P. A. Males | 15 | ||
| WHAT IS THIS THING CALLED HARDNESS? | V. J. Hearnes | 16 | ||
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Volume 11, Number 10, May 1973 |
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| AMBER, THE GOLD OF THE NORTH | E. R. Sasnaitis | 3 | ||
| THE XIVTH INTERNATIONAL GEMMOLOGICAL CONFERENCE | K. Cronstedt | 11 | ||
| SAPPHIRE MINING IN NORTHERN NEW SOUTH WALES | T.S. Coldham | 14 | ||
| INTRIGUING DISCOVERIES ABOUT GROWTH IN DIAMONDS | S. Tolansky | 21 | ||
| NEW ENGLAND RUBIES | J.H. Oughton | 27 | ||
| STONES SEEN | J.H. Oughton | 28 | ||
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Volume 11, Number 11, August 1973 |
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| OBSERVATIONS ON HISTORICAL SHAPES OF GEM DIAMOND | H. Tillander | 3 | ||
| IRRADIATION OF GEMSTONES | I.A. Mumme | 7 | ||
| SYNTHETICS- THEIR PRODUCTION AND DETECTION | J.I. O'Loughlin | 11 | ||
| SAPPHIRE MINING IN NEW SOUTH WALES | A.A. MacNevin | 14 | ||
| PRECIOUS OPAL - DEVELOPMENTS TOWARDS SYNTHESIS | P.J. Darragh, J.I. Perdrix | 17 | ||
| DIAMOND PROSPECTING | M.J. Lawrence | 22 | ||
| OPAL CLASSIFICATION | J.H. Oughton | 31 | ||
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Volume 11, Number 12, November 1973 |
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| GEMS OF SPECIAL IMPORTANCE IN THE GREAT MUSEUM COLLECTIONS | H.J. Schubnel | 3 | ||
| THE ART OF NIELLO | D. Mcloughlin | 11 | ||
| SCANNING ELECTRON MICROSCOPY AND OPALS | R.A. Ball and A.S. Malin | 16 | ||
| A MEMBER OF THE UGRANDITE GARNET SERIES FOUND IN WESTERN AUSTRALIA | R.L. Burns | 19 | ||
| SOME GEM-BEARING PEGMATITES NEAR COOLGARDIE, W.A. | R. J. Reeve | 21 | ||
| STONES SEEN | J.H. Oughton | 25 | ||
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