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Fall 1995, Volume 31, Issue 3

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Gem Trade Lab Notes


ALEXANDRITE—Fracture Filled, with High R.I. Values

SYNTHETIC ALEXANDRITE—Flux Grown, without Diagnostic Inclusions

CORUNDUM—Diffusion Treated

DIAMOND

  • Inclusions Affect Body Color
  • With Iridescence in an Incompletely Filled Fracture

Imitation EMERALD—Plastic-Coated Beryl

JADEITE JADE

  • Assemblages
  • Finely Detailed Glass Imitation

Imitation LAPIS LAZULI

OPAL—Glass Imitation "Mexican"

Black PEARL Inclusions

Large SYNTHETIC RUBY

Appears on pages 196-203

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