Fall 2016 - Volume 52, Issue 3
Issue Overview
Show Filters
Jadeites impregnated with an exoxy
Application of the DiamondView in Separating Impregnated Jadeite

Testing reveals the usefulness of DiamondView imaging in detecting impregnated jadeite.

Read More

Pink sapphire mining pit at Kibuko, Tanzania
Update on Colored Gemstone Mining in Tanzania

Reports on an expedition to many known and new Tanzanian gem localities.

Read More

Aquamarine from San Luis Potosí State in northern Mexico
Aquamarine from a New Primary Deposit in Mexico

Examination of aquamarine samples from a new primary deposit in San Luis Potosí, northern Mexico.

Read More

Amethyst with a large aqueous primary fluid inclusion
Large Aqueous Primary Fluid Inclusion in Amethyst

A strikingly large primary fluid inclusion with a gas bubble was seen in a Moroccan amethyst.

Read More

Trapiche-like rhodochrosite “flower” from Capillitas mine, Argentina
Trapiche Rhodochrosite

Reports on exceptionally rare trapiche-patterned rhodochrosite from the famed Capillitas mine in Argentina.

Read More

Natural-color yellow sapphires with FTIR features of Punsiri-treated sapphire
“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.

Read More

Gem Materials at the Second European Mineralogical Conference (emc2016)

A report on the European Mineralogical Conference, held Sept. 11–15, 2016, in Rimini, Italy.

Read More

Fred Ward (1935–2016)

An obituary for celebrated gem photographer and author Fred Ward.

Read More

Blue and purplish sapphires are reportedly from Badakhshan Province, Afghanistan
Blue Sapphire Reportedly from Badakhshan, Afghanistan

Reports on the internal features and spectroscopic and trace-element analysis of sapphires reportedly from Badakhshan, Afghanistan.

Read More

Rubies reportedly from Pokot, Kenya
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.

Read More