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Vol 24 Number 1, January - March 2010
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FOREWORD
FROM THE FEDERAL PRESIDENT INTRODUCING THE NEW ag FORMAT |
Federal President
T. Coldham |
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the
argyle diamond mine in transition from open pit to underground extraction |
G. Bosshart and J.G. Chapman |
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RUBIES
AD SAPPHIRES FROM WINZA, TANZANIA - SUMMARY OF CHARACTERISTIC PROPERTIES AND
A SHORT UPDATE OF THE MINING SITUATION |
K. Schmetzer, W. Radl and D. Schwarz |
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differing
causes of colour in diamonds |
C. Payne and R. Bauer |
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the
31st gemmological conference |
T. Coldham and F. Payette |
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tanzanite
- naturally heat treated? |
T. Coldham |
Vol 24 Number 2, April - June 2010
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FEDERAL PRESIDENT's
report |
Federal President
T. Coldham |
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Microstructures
observed in andamooka matrix opal |
G. Pearson |
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a
study of prismatine from begogo, madagascar |
Dr Valentina Bordoni, Dr Massimo Boiocchi,
Pro. Franca Caucia |
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coated
and fracture-filled coloured diamond |
Song Zhonghua, Lu Taijin, Shen Meidong, Su
Jun, Dong Jing, Zhang Xihuan |
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a
chatoyant malachite |
Gagan Choudhary |
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cultj
diamond selector iiitm |
Trevor Linton and Anne Paul |
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