Application of the DiamondView in Separating Impregnated Jadeite
Testing reveals the usefulness of DiamondView imaging in detecting impregnated jadeite.
Update on Colored Gemstone Mining in Tanzania
Reports on an expedition to many known and new Tanzanian gem localities.
Aquamarine from a New Primary Deposit in Mexico
Examination of aquamarine samples from a new primary deposit in San Luis Potosí, northern Mexico.
Large Aqueous Primary Fluid Inclusion in Amethyst
A strikingly large primary fluid inclusion with a gas bubble was seen in a Moroccan amethyst.
Reports on exceptionally rare trapiche-patterned rhodochrosite from the famed Capillitas mine in Argentina.
“Punsiri”-type FTIR Spectral Features in Natural Yellow Sapphires
Testing of natural-color yellow sapphires from Australia and Thailand with the FTIR features of “Punsiri” heat-treated material.
Gem Materials at the Second European Mineralogical Conference (emc2016)
A report on the European Mineralogical Conference, held Sept. 11–15, 2016, in Rimini, Italy.
Fred Ward (1935–2016)
An obituary for celebrated gem photographer and author Fred Ward.
Blue Sapphire Reportedly from Badakhshan, Afghanistan
Reports on the internal features and spectroscopic and trace-element analysis of sapphires reportedly from Badakhshan, Afghanistan.
Preliminary Study on Rubies Reportedly from Pokot, Kenya
Reports on the internal features and spectroscopic and trace-element analysis of rubies reportedly from Pokot, Kenya.