Rainbow-Colored Partially Healed Fissure in Blue Sapphire
“Rose” Quartz
Written Characters in Black Opal
Scenes from 90 Years of Gems & Gemology
Radioactive Morganite
Gems & Gemology Turns 90!
Blue Opal from Chile
Gems & Gemology at Ninety: A Look to the Future
Arzakite Inclusion in Ruby from Mogok
A New Gem Material from Greenland: Iridescent Orthoamphibole
A Gem-Quality Iridescent Orthoamphibole from Wyoming
Update on Ammolite Production from Southern Alberta, Canada
Ammolite: Iridescent Fossilized Ammonite from Southern Alberta, Canada
Synthetic or Imitation? An Investigation of the Products of Kyocera Corporation That Show Play-Of-Color
Jadeite Bangle with the Appearance of Polymer Treatment
Heliodor and Aquamarine with Surface Etching
Hexagonal etch features are observed on the prismatic faces of heliodor and aquamarine crystals.
Suspended Crystal in Red Spinel
Exceptional Red Spinels and Fine Aquamarine
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