Gem News International Gems & Gemology, Winter 1987, Volume 23, No. 4

Winter 1987 Gem News International

            Brazilian Diamond Find
            Remarkable Morphology
            A Follow-Up on the 64.83-ct D Diamond Sold at Christie's
Colored Stones
            The 21st International Gemmological Conference
            More on Brazilian Alexandrites
            Colorado Amethyst Find
            The "Lowell" Effect in Amethyst
            Trapiche Emerald Crystal
            "The Stellenbosch Gem Index"
            Double Phenomenon in Sapphire
            Tausonite: A New Mineral
            Transparent Gem Thaumasite
            Topaz from New Hampshire
            Check Your Filter
            Diamond Jubilee at L.A. Natural History Museum
            World Gems Expo
            Commission on Gem Materials Meets in Brazil
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