Unusual Glass-and-Quartz Triplet Imitation of Emerald
A Zircon with Strong Photochromic Effect
“Boomerang” Inclusion in a Rough Topaz
Burmese Blue Sapphire and Peridot from Mogok and a History of Emerald Mining in Habachtal, Austria
Blue Zircon Reportedly from Malawi
A reported new source of blue zircon in Malawi yields rough material for beautiful finished stones in the gem trade.
Chondrodite in Red Spinel from Mogok, Myanmar
Low-Temperature Heating of Mogok Ruby, Copper-Diffused Feldspar, Porcelain-Treated Turquoise, and the Work of Gem Artist Chi Huynh
Identification of Natural, Reconstructed, and Imitation Root Amber
A “Cobalt Blue” Gahnospinel
Four-Rayed Star Chrysoberyl
Large Faceted Pallasitic Peridot
Two Black Non-Nacreous Bead Cultured Pearls from Pinctada margaritifera
Aegirine in Poudretteite
Spray of Columbite Crystals in Topaz
Turquoise Planet Earth
Zigzag Fingerprint in Sri Lankan Sapphire
Fiber-optic illumination reveals rectilinear zigzag-patterned films with vibrant colors in a blue sapphire.
Gemological Characteristics of Coated Jadeite Jade
Star Aquamarine
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