TUCSON '93

DIAMONDS

• Show update
• Star-cut diamonds

COLORED STONES

• Exceptional iris agates
• Baltic amber
• Amethyst from Uruguay...
• ...and amethyst-citrine from Bolivia
• Apatite from Brazil and Madagascar
• Uncommon cat's-eye gems
• Gems with natural crystal surfaces
• Beryls from the Ukraine
• Miscellaneous notes on emeralds
• Extraterrestrial gem materials
• Some unusually large gems
• Jadeite from the Russian Federation
• Lapidary art
• Opal from Canada
• Cultured pearls from Tahiti, Australia, and China
• Natural freshwater pearls from Quebec
• "Peeling" pearls
• Peridot from Ethiopia
• Red quartz from Mexico
• Miscellaneous fashioned curiosities
• Transparent rhodochrosite from Colorado
• Update on rubies
• Miscellaneous notes on sapphires
• Spessartine garnet from Africa
• Tourmaline from Paraiba, Brazil
• Parti-colored zoisites

ENHANCEMENTS

• Apparatus for fracture filling gems

SYNTHETICS AND SIMULANTS

• Reconstructed amber
• More "pulled" synthetic materials available
• Miscellaneous emerald simulants

UPDATE

Appears on pages 52-64