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Winter 1994, Volume 30, Issue 4

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Gem News


DIAMONDS

  • Native Appalachian diamonds
  • Diamond developments in Tanzania
  • Other African diamond mining ventures
  • Canadian diamond rush bruised but still alive
  • Diamonds found in Finland

COLORED STONES

  • Amethyst from Namibia
  • Chatoyant demantoid garnet
  • Color-change diaspore from Turkey
  • Feldspar with ruby inclusions
  • Gems from North Carolina
  • More on peridot from Pakistan
  • Sapphire from Scotland
  • Update on Montana sapphires
  • "Teal" blue cobalt-colored spinel
  • Update on Sri Lanka
  • "Zebra stone" from Arizona

SYNTHETICS & SIMULANTS

  • "Minkovite" from Russia
  • Visit to Russian synthetics facility VNIISIMS...
  • ...and two centers in Chernogolovka
  • Miscellaneous synthetics and simulants

ANNOUNCEMENTS

Appears on pages 271-280

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