Research Article Search Results
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.
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
DNA Barcoding and Next-Generation Sequencing (NGS) of Freshwater Pearls
Nigerian Gems and Jewelry
Mina Stones promotes Nigerian gems including rubellite and sapphire as well as reviving traditional skills and symbols in the creation of original jewelry.
Fluorescence Spectroscopy for Colored Pearl Treatment Screening
A nondestructive rapid screening technique uses fluorescence spectroscopy to identify treated colored pearls.
Reversible Twinning in Neodymium Pentaphosphate
Application of slight pressure perpendicular to the twinning planes reveals the unusual property of this synthetic gem.




