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Volume 13,
February 1977 - November 1979
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Volume 13, Number 1, February 1977
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BLACK OPAL
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B. O'Leary
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3
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THE STRUCTURAL CHARACTERISTICS OF ELEPHANT IVORY
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G. Brown,
A.J. Moule
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13
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G.I.A. DEBUTS NEW EDUCATIONAL CENTRE
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19
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| THE GEOLOGY OF THE MOON
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A.J.W. Gleadow
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22
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Volume 13, Number 2, May 1977
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| BLACK CORAL - TRUE OR FALSE
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G. Brown
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35
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| THE JEWELLERS EYE
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R. Webster
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43
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| DROUGHT BONANZA FOR PROSPECTORS
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46
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| THE STRUCTURAL CHARACTERISTICS OF VARIOUS IVORIES
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G. Brown,
A.J. Moule
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47
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| DID YOU KNOW?
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62
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Volume 13, Number 3, August
1977
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| THE GOLDSMITH’S WORKSHOP IN ROMAN BRITAIN
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P.A. Clayton
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67
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| PASTE OR GLASS
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J. Snow
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71
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| HOW TO BUY A PEARL
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E. Kihara
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75
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| THE ALTERATION OF COLOUR OF GEMSTONES
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E. Skinner-Nixon
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85
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Volume 13, Number 4, November 1977
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SOME EXOTIC MINERALS OF WESTERN TASMANIA
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W.E. Baker
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99
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NATURAL OR SYNTHETIC OPAL
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R.A. Ball
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104
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ELECTRON SPIN RESONANCE OF EMERALDS
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D.R. Hutton,
E.N. Barrington
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107
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SYNTHETIC OPAL
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P.J. Darragh,
A.J. Gaskin,
J.V. Sanders
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109
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VIKING TREASURES
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120
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THAT LOOKS INTERESTING LET'S PUT IT UNDER THE MICROSCOPE
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D. Smith
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121
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ATOMIC LATTICE OF GOLD
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Gold Bulletin
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127
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Volume 13, Number 5, February 1978
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IDENTIFICATION OF SYNTHETIC OPAL
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R.A. Ball
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131
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THE BURINUT - A NEW SOURCE OF VEGETABLE IVORY
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G. Brown
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134
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WHY A DIAMOND?
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Adamas
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141
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HISTORICAL DIAMONDS
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De Beers Consolidated Mines
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144
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SLOCUM STONE
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P.J. Darragh,
J.V. Sanders
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146
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FROM RUSSIA WITH KIMBERLITE
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Retail Jeweller
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150
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OPIUM DEALERS ARE SWITCHING TO JADE
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Retail Jeweller
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153
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STONES SEEN
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154
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IMITATION OPAL
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R.A. Ball
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156
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FIRST TOOL OF GEMMOLOGY WON'T COST YOU A PENNY
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W.Wm. Hanneman
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159
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Volume 13, Number 6, May 1978
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A QUESTION OF COLOUR
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A. Farn
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163
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NEW DIAMOND SIMULANT MAY FOOL THE UNWARY
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A. Hodgkinson
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165
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CORAL RETURNS TO FASHION
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Retail Jeweller
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169
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NOTES ON SAPPHIRES FROM STREAM GRAVELS
AT FRAZER'S CREEK IN GLEN INNES AREA, NSW.
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I.A. Mumme,
R.A. Ball
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173
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GAMMA-RAY SPECTROPHOTOMETRY
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176
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THE LITTLE RIVER SAPPHIRE LEASE
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I.A. Mumme
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177
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HISTORICAL DIAMONDS
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De Beers Consolidated Mines
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180
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Volume 13, Number 7, August 1978
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THE REFRACTORY METAMORPHIC GEMSTONES OF AUSTRALIA
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A.F. Wilson
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203
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A NOTE ON THE STRUCTURE OF THE FIRE AGATE
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R.A. Ball
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210
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A.J.A.
- G.A.A. CO-OPERATION - FACT OR MYTHOLOGY
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G. Brown
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213
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HISTORICAL DIAMONDS
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De Beers consolidated Mines
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220
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THE STAR OF SIERRA LEONE
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De Beers Consolidated Mines
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222
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KAURI-GUM
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G. Brown
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225
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IDAR-OBERSTEIN
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S. & H. Martin
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232
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IRRADIATION OF GEMSTONES
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I. Mumme
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236
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THE PRODUCTION OF INTERFERENCE BY THE FIGURE-O-SCOPE
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J. Snow
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237
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THE IDENTIFICATION OF SOME RARE ORGANIC GEM MATERIALS
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G. Brown
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238
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Volume 13, Number 8, November 1978
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BEFORE THE GEMS CAME THE CRYSTALS
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A.E.Alexander
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247
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CRYSTAL IMPERFECTIONS IN NATURAL GEM DIAMOND
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P.R.W. Hudson
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253
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RECOGNITION OF SYNTHETIC OPAL
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N.P. Jamieson
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259
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GEMMOLOGICAL LITERATURE YOU SHOULD READ
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G. Brown
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261
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NEW OPAL IMITATION
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Gemmological Study Group
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273
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THE COLOURATION OF MT. SURPRISE TOPAZ
BY GAMMA IRRADIATION
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I.A. Mumme,
L. Sebright
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274
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TESTING BY TOUCH
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J. C. Ellison
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279
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THE FAR EASTERN GEM DEPOSITS
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A.E. Alexander
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280
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HOW TO FEEL THE DIFFERENCE BETWEEN A DIAMOND
AND A CUBIC ZIRCONIA
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H. Anderson
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285
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Volume 13, Number 9, February 1979
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RHODONITE OR PINK JASPER
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R.B. Kelly
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291
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POROUS GILSON SYNTHETIC
BLACK OPAL
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A.D.C Robertson
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297
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THE USE OF THE FIGURE-O-SCOPE IN GEMMOLOGY
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J.J. Snow
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301
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OPAL REFERENCES AND ABSTRACTS - PART II
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R.A. Ball,
N. Clayton
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307
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Volume 13, Number 10,
May
1979
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WHY SAPPHIRES FROM SRI LANKA DIFFER
FROM THOSE FROM AUSTRALIA
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A.F. Wilson
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315
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DESIGNED TO DETECT DJEVALITE
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Retail Jeweller
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317
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AMETHYST - NATURAL OR NOT?
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R.A. Powell
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321
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THE HAZARDS OF GEMMOLOGY
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Grahame Brown
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325
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PRODUCTION OF ZIRCONIA AND OTHER SYNTHETIC
GEM MATERIALS BY THE SKULL- MELTING TECHNIQUE
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I.A. Mumme
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333
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OPAL
REFERENCES AND ABSTRACTS - PART II
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R.A. Ball,
N. Clayton
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334
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Volume 13, Number 11,
August
1979
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DIAMOND - TRUE OR FALSE?
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G. Brown
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341
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ORGANIC GEM MATERIALS - WHAT TO LOOK FOR
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G. Brown,
D. Lund
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352
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TREATED BRAZILIAN OPAL
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G. Brown,
J. Snow
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359
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OPALS FROM THE AIR
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Uniken
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362
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OPAL REFERENCES & ABSTRACTS - PART II
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R.A. Ball,
N. Clayton
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363
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Volume 13, Number 12, November 1979
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NATURAL AND RADIATION INDUCED COLOURATION OF SMOKY QUARTZ
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R. Powell
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373
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SAPPHIRE AND SILK
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R.A. Ball.
I.A. Mumme
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379
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SUGGESTIONS FOR
NOMENCLATURE OF OPALS
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J.D. Altmann
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383
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SYNTHETIC OPAL FOR NATURAL OPAL
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R.A. Ball
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386
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A NOTE ON THE SERPENTINE IN LUCKNOW,
N.S.W.
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R. Powell
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387
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AN UNUSUAL AGATE
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R.A. Ball
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390
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CORALLIUM PRECIOUS CORALS
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G. Brown
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391
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Return
to Abstract Index
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