Micro-World
Imitation Cat’s-Eye Pen “Pearls”
Imitation pearls show kaleidoscopic colors with illumination.Read More
Read More
Lab Note
Pink Sapphire Filled with Bismuth-Based Glass
A sapphire with a color not commonly seen in the lab is found to have a glass filling.Read More
Gem News International
Conversation with Gemfields
An exclusive interview with Ian Harebottle, CEO of Gemfields.Read More
Gem News International
New Ruby Miner in Mozambique
A new mining operation in Montepuez is profiled.Read More
Lab Note
HPHT Synthetic Diamond with Intense Green Color
Nickel is found to contribute to the color of a synthetic diamond seen in the New York lab.Read More
MICRO-WORLD
Flashes and Flames in Ethiopian Opal
Chatoyancy, rarely seen in play-of-color opal, is observed in Ethiopian material.Read More
