Mineral Assemblage of “Paraíba Matrix”
December 23, 2025
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New Production of Sapphire from Matepwende, Tanzania
December 23, 2025
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An Exceptional Cat’s-Eye Emerald
December 23, 2025
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Gold Granulation by Zaffiro
December 23, 2025
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Intarsia Jewelry Box by Nicolai Medvedev and Susan Helmich
December 23, 2025
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Out of Our Mines
December 23, 2025
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Patania Jewelry
December 23, 2025
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Phenomenal Emeralds from Chitral, Pakistan
December 23, 2025
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Irradiated HPHT-Grown Diamonds with Blue-Green Color Zonation
December 23, 2025
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A Multicore Non-Bead Cultured Pearl
December 23, 2025
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Ruby with Synthetic Overgrowth Lining Cavities
December 23, 2025
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Brown Zoning in Diamond
December 23, 2025
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Interesting Metallic Platelets in Morganite
December 23, 2025
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Rare Musgravite Crystal in Green Sapphire
December 23, 2025
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Gems & Gemology at Ninety: A Look to the Future
December 23, 2025
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Arzakite Inclusion in Ruby from Mogok
December 23, 2025
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Precious Opal from Pedro II, Brazil
December 23, 2025
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Unique Sphalerite from Spain
December 23, 2025
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Thirty Years Later: “The Royal Tapestry” Revisited
December 23, 2025
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Ukrainian Pegmatitic Heliodor and Topaz
December 23, 2025
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