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Fall 2007, Volume 43, Issue 3

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Gem News International


DIAMONDS

  • Large diamond mine to be developed in Saskatchewan, Canada
  • Spurious "spiral phantom" in diamond

COLORED STONES AND ORGANIC MATERIALS

  • Color-zoned axinite from Pakistan
  • Multicolored fluorite from Brazil
  • Cr/V-bearing kyanite from Madagascar and elsewhere
  • Blue-green opal from Iran
  • A remarkably large fire opal carving
  • An unusually translucent non-nacreous pearl
  • A possible diamond inclusion in quartz from Diamantina, Brazil
  • An unusual type of phenomenal quartz
  • A new gemstone from Italy: "Violan quartz"
  • New sources of marble-hosted rubies in South Asia
  • Cr/V-bearing green spodumene from Afghanistan

SYNTHETICS AND SIMULANTS

  • Large beryl triplets imitating Colombian emeralds
  • Glass imitation of blue spinel

TREATMENTS

  • Dyed greenish blue chalcedony from Brazil

CONFERENCE REPORTS

ANNOUNCEMENTS

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