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Volume 12,
February 1974 - November 1976
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Volume 12, Number 1, February 1974
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GEMMOLOGY UNDER DIFFICULTIES
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W. Gower
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3
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GEM QUALITY KYANITE CRYSTALS FROM THE HARTS RANGE, NORTHERN TERRITORY
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P. A. Males
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5
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STONES SEEN AND DISCUSSED
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9
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ILMENITE CRYSTALS ASSOCIATED WITH RUTILATED QUARTZ, FROM BRAZIL
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P. A. Males
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11
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REAL SYNTHETIC ALEXANDRITE; PARAMAGNETIC STAR
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DIOPSIDE
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13
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IRIDESCENCE IN MARINE SHELLS
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R.A. Ball,
A.S. Malin
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14
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| SOME THOUGHTS ABOUT AGATE FORMATIONS OF SCOTLAND
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S. Sim
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16
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Volume 12, Number 2, May 1974
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| GEMSTONES IN AND OUT OF THE AUSTRALIAN
MUSEUM COLLECTIONS
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F.L. Sutherland, J.E. Hingley
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31
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“1925 . . . AND ALL THAT”
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B.W. Anderson
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37
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THE JET AGE
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Professor C. E. Marshall
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42
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DISCUSSION ON AGATE
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R.A. Ball
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55
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BRAZILIAN PRECIOUS OPAL
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P.A. Males
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56
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| ARCHIVES OF THE GAA
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P.B. Lapworth
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61
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Volume 12, Number 3, August
1974
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| SHORT CUTS TO CERTAINTY
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B. W. Anderson
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71
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| A GEMMOLOGICAL NEWSLETTER FOR STUDENTS AND OTHERS
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74
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| A GEMMOLOGICAL STUDY OF EMERALD FROM POONA, W.A.
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J. M. Graindorge
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75
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| "PILBARRA JADE"
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H.W. Fander
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80
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SYNTHETIC DIAMONDS
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Professor H. C. Bolton
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81
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INDUSTRIAL DIAMONDS
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G.J. Gellie
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84
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LIESEGANG RINGS
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R. A. Ball
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89
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MEXICAN ONYX AND OTHER MARBLES
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P.A. Males
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92
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SYNTHETIC-LIKE FLUORESCENCE IN NATURAL SAPPHIRE
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G. Tombs
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94
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FURTHER COMMENTS ON THE DOUBLE DISPERSION DESIGN
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S. Suzuki
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95
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| CONSUMER PROTECTION IN THE LIMELIGHT
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J.H. Oughton
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98
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Volume 12, Number 4, November 1974
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TREATED STONES
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J.H. Oughton
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111
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A SURVEY OF SOME RESEARCH WORK ON IMPURITIES IN GEMS
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C.M. Scala
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119
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PERIDOT ON ROSS ISLAND, ANTARCTICA
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A.T. Wilson,
C.H. Hencly,
A.M.Taylor
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124
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“PILBARA JADE"
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D.R. Hudson
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127
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THE PHANTOM TABLE
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P.W. Leadbeater
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135
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NEW MINING LEGISLATION IN NEW SOUTH WALES
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140
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Volume 12, Number 5, February 1975
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AGATE PART 1: A REVIEW - GENESIS AND STRUCTURE
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R.A. Ball,
R.L. Burns
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143
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EMERALD OCCURRENCE NEAR MENZIES, WESTERN AUSTRALIA
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G.B. Whitfield
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150
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CLASSIFICATION AND NOMENCLATURE OF PRECIOUS OPAL
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N.A. Clayton
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152
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VALE - JACK OUGHTON
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G.A. Tombs
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154
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PRECIOUS OPAL IN QUEENSLAND
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B.R. Senior
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155
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THE DISCOVERY OF CAP-QUARTZ IN NORTHERN
N.S.W., AUSTRALIA
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R.E. Brown
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156
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ELECTROMAGNETIC RESONANCE IN YELLOW SAPPHIRES
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E.N. Barrington
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159
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A DEFINITIVE TEST FOR GOLDEN SAPPHIRES
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C.M. Scala,
D.R. Hutton
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160
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JADE IMITATORS
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J. H. Oughton
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161
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Volume 12, Number 6, May 1975
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OPAL FROM COOLGARDIE, WESTERN AUSTRALIA
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R.A. Ball
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171
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ROCKS, GEMS AND MINERALS OF OLARY
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I.A. Mumme
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173
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NOTES ON THE IDENTIFICATION OF GILSON SYNTHETIC OPALS
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G.A.Tombs
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179
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Opal References and Abstracts
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R.A. Ball,
N. Clayton
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181
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STONES SEEN: IN SHOP WINDOWS
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L. Sabine
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Volume 12, Number 7, August 1975
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QUO VADIS, GEMMARIUS?
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C.E. Marshall
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203
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CHINAMAN'S HATS
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K.A. Sheens
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208
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STONES SEEN
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K. Cronstedt
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209
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CRYSTALLOGRAPHY IS FUN
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J. & P. Sutton
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210
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NEPHRITE JADE DEPOSITS, COWELL, SOUTH AUSTRALIA
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D. Nichol
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220
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NEW SYNTHETIC GEMS SET A PROBLEM
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J.H. Oughton
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222
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Volume 12, Number 8, November 1975
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ORIGIN OF VOLCANIC OPAL FROM HOUGHLAHAN'S CREEK
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I.A. Mumme,
L. Seibright,
R. Ball
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235
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THE RADIOPACITY OF SOME COMMON GEM MATERIALS
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G. Brown,
A.J. Moule.
R. O’Neil
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241
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JET
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P. Lapworth
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248
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MINERAL COLLECTING
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W. Birch
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251
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STONES SEEN
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L. Hennessy,
C. Eglington
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258
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Volume 12, Number 9, February 1976
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J.H. Oughton Memorial Issue
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A TRIBUTE TO JOHN H. OUGHTON
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R. Wolf
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264
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THE LATE J. H. OUGHTON
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P.B. Lapworth
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265
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FAKES AND FRAUDS - CAVEAT EMPTOR
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J.H. Oughton
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267
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DIAMOND, YAG AND OTHER SIMULANTS
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J. H. Oughton
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272
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THE DIRECT VISION SPECTROSCOPE
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J. H. Oughton
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276
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WHERE TO FROM HERE?
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J. H. Oughton
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283
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A REVIEW OF THE THERMAL PROPERTIES OF NATURAL GEM DIAMOND
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P.R.W. Hudson
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286
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Volume 12, Number 10,
May
1976
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Gold In Jewellery
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M.J. Cole
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299
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Quartz Polyhedroids In Australia
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B.M. England
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303
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Thailand-Gem Cutting and Trading
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J.A.L. Pavitt
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307
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Ruby Corundum From The Harts Range N.T.
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P.A. Males
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310
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Volume 12, Number 11,
August
1976
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CALCULATING RADIOPACITY
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H. Magryn
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323
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INDONESIAN OPAL
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B.O'Leary,
R.A. Ball
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327
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STONES SEEN
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330
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HORN – SOME ASPECTS OF INTEREST TO GEMMOLOGISTS
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G. Brown
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331
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THE ELECTROPOLISHING OF PRECIOUS METALS
AND THEIR ALLOYS
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J. M. Newburn
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339
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Volume 12, Number 12, November 1976
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OPAL IN SOUTH WESTERN QUEENSLAND
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R.A. Ball,
A. Daniels
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359
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TWO INTERESTING ZINC MINERALS
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M.J. O'Donoghue
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364
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EMERALDS --- THREE FOR $1.50
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B. Chambers
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365
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TWO NEW PRECIOUS CORALS FROM HAWAII
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G. Brown
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371
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ABSTRACTS OF
THE 25TH INTERNATIONAL GEOLOGICAL CONGRESS
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378
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Return
to Abstract Index
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