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Winter 2005, Volume 41, Issue 4

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Gem News International


COLORED STONES AND ORGANIC MATERIALS

  • Ornamental blueschist from northern Italy.
  • Emerald phantom crystal.
  • Unusual trapiche emerald earrings.
  • A large greenish yellow grossular from Africa.
  • An opal triplet resembling an eye.
  • Green orthoclase feldspar from Vietnam.
  • New discoveries of painite in Myanmar (Burma).
  • Gem plagioclase reportedly from Tibet.
  • Spinel from southern China.
  • Update on tourmaline from Mt. Mica, Maine.
  • Cu- and Mn-bearing tourmaline: More production from Mozambique.

SYNTHETICS AND SIMULANTS

  • Lizard in amber?
  • Cubic zirconia as rough sapphire imitation.
  • Barium-rich glass sold as diamond rough.

CONFERENCE REPORTS

  • Diamond 2005.
  • Geological Society of America 2005.
  • World Diamond Conference, Perth, Australia.

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