Aquamarine with Unusually Strong Dichroism
This aquamarine's most striking feature was its unusually strong dichroism, displaying very deep blue and pale bluish green colors.
Ponderosa Sunstone Update
John Woodmark provides an update on the Ponderosa sunstone mine in Oregon.
Fortieth Anniversary of the Belmont Mine
Marcelo Ribeiro offers an update on mining and cutting activities at the Belmont emerald mine in Brazil.
Preview of Nature Art Science with Paula Crevoshay
Renowned designer Paula Crevoshay discusses artistic influences and her latest creations.
Designs from Erica Courtney
Award-winning jewelry designer Erica Courtney presents four of her creations.
Update on Russian Demantoid Production
Alexey Burlakov shares insights on the current production of Russian demantoid and emeralds.
Update on the Green Dragon Demantoid Mine in Namibia
Stephan Reif explains the mine-to-market approach at the largest continuously operating demantoid deposit.
Finds from the Secondary Market
Dave Bindra shows some noteworthy pieces he obtained on the secondary market and shares his thoughts on the state of the colored stones market.
Tucson 2018 Overview
An overview of the 2018 Tucson gem shows.
Opal from West Java, Indonesia
Description of Indonesian opal reportedly from West Java.